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CVE-2026-58545

Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3b27602a01413e4039f1d64fbe8d0f7e8075ad3c99345914169d520b5db596d6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 18 assertions

{"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9020","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/13

{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33158","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/16

{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33158","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/17

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23291","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/9

{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/0

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23291","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/10

{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1809","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9020","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/1

{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 25H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.8875","status":"affected","version":"10.0.26200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/5

{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.2525","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/6

{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/12

{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9020","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/14

{"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.26226","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/7

{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5386","status":"affected","version":"10.0.20348.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/15

{"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.26226","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/8

{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.8875","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/4

{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 21H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19044.7548","status":"affected","version":"10.0.19044.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/2

{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 22H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19045.7548","status":"affected","version":"10.0.19045.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/3

{"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/11

Affected products and versions

18 source assertions
{"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9020","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/13
{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33158","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/16
{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33158","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/17
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23291","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/9
{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/0
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.23291","status":"affected","version":"6.3.9600.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/10
{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1809","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9020","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/1
{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 25H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.8875","status":"affected","version":"10.0.26200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/5
{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.2525","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/6
{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/12
{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9020","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/14
{"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.26226","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/7
{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5386","status":"affected","version":"10.0.20348.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/15
{"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.26226","status":"affected","version":"6.2.9200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/8
{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.8875","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/4
{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 21H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19044.7548","status":"affected","version":"10.0.19044.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/2
{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 22H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19045.7548","status":"affected","version":"10.0.19045.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/3
{"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/affected/11

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Windows Kernel Security Feature Bypass Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58545"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7cfa8404493df52f777534cc3bf1e2ec9c68008f3d99c201f27d208fd356f706 · sha256:94cc361e36a9c0b6… · /containers/cna/references/0

Attribution and limitations

  • 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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