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CVE-2026-21510

Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:566d42ecccd4cfc2338149a7244291ed4584b3511c29072e224f6a911c004d3a
Known exploited
CISA KEV
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 22 assertions

{"platforms":["x64-based Systems"],"product":"Windows 11 Version 23H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.6649","status":"affected","version":"10.0.22631.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/5

{"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8389","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/16

{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32370","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/20

{"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.25923","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/10

{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32370","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/21

{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.7840","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/6

{"product":"Windows 11 Version 25H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.7840","status":"affected","version":"10.0.26200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/7

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23022","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/12

{"platforms":["ARM64-based Systems"],"product":"Windows 11 version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.1575","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/8

{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1809","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8389","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/1

{"product":"Windows 11 Version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.1575","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/9

{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.8868","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/0

{"platforms":["x64-based Systems"],"product":"Windows Server 2022, 23H2 Edition (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.25398.2149","status":"affected","version":"10.0.25398.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/19

{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 21H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19044.6937","status":"affected","version":"10.0.19044.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/2

{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 22H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19045.6937","status":"affected","version":"10.0.19045.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/3

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.25923","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/11

{"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.8868","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/14

{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.8868","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/15

{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.4773","status":"affected","version":"10.0.20348.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/18

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23022","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/13

{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8389","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/17

{"platforms":["ARM64-based Systems"],"product":"Windows 11 version 22H3","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.6649","status":"affected","version":"10.0.22631.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/4

Affected products and versions

22 source assertions
{"platforms":["x64-based Systems"],"product":"Windows 11 Version 23H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.6649","status":"affected","version":"10.0.22631.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/5
{"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8389","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/16
{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32370","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/20
{"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.25923","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/10
{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32370","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/21
{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.7840","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/6
{"product":"Windows 11 Version 25H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.7840","status":"affected","version":"10.0.26200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/7
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23022","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/12
{"platforms":["ARM64-based Systems"],"product":"Windows 11 version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.1575","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/8
{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1809","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8389","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/1
{"product":"Windows 11 Version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.1575","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/9
{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.8868","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/0
{"platforms":["x64-based Systems"],"product":"Windows Server 2022, 23H2 Edition (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.25398.2149","status":"affected","version":"10.0.25398.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/19
{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 21H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19044.6937","status":"affected","version":"10.0.19044.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/2
{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 22H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19045.6937","status":"affected","version":"10.0.19045.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/3
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.25923","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/11
{"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.8868","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/14
{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.8868","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/15
{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.4773","status":"affected","version":"10.0.20348.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/18
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23022","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/13
{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8389","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/17
{"platforms":["ARM64-based Systems"],"product":"Windows 11 version 22H3","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.6649","status":"affected","version":"10.0.22631.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/affected/4

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-693","description":"CWE-693: Protection Mechanism Failure","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

2 source assertions
{"cwes":["CWE-693"],"dateAdded":"2026-02-10","dueDate":"2026-03-03","knownRansomwareCampaignUse":"Unknown","notes":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21510 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21510 ","product":"Windows","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"Microsoft Windows Shell contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a securi…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:3c42e353b0015a26caf6ad906ebb6300ccda098b7be41a0bd35f69eb4f807eea · sha256:635dff916c4092c0… · /vulnerabilities/149
    Open source location →
{"cwes":["CWE-693"],"dateAdded":"2026-02-10","dueDate":"2026-03-03","knownRansomwareCampaignUse":"Unknown","notes":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21510 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21510 ","product":"Windows","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"Microsoft Windows Shell contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a securi…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:e23a564096efd5ce2223cf43ff9046a6381ca514296cd980ea0912fee4e44020 · sha256:16acee8334e59e44… · /vulnerabilities/146
    Open source location →

Source references

2 source assertions
{"name":"Windows Shell Security Feature Bypass Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21510"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/cna/references/0
{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21510"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe0e89abce9ce3512a3da8b300214be9bec62064bfea744ad894d72f311bf835 · sha256:7d6e64eb2b53c98e… · /containers/adp/0/references/0

Attribution and limitations

  • CISA Known Exploited Vulnerabilities JSON: CISA named for provenance; do not use CISA/DHS marks or imply endorsement Source →
  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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