Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-27928

Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:473266549bc7b8c2bb7df9a62ce29b490d1ceffd962fcd9530ffddabe67ab423
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"platforms":["x64-based Systems"],"product":"Windows Server 2022, 23H2 Edition (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.25398.2274","status":"affected","version":"10.0.25398.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/5

{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5020","status":"affected","version":"10.0.20348.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/4

{"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8644","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/2

{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32690","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/7

{"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9060","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/0

{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8644","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/3

{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9060","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/1

{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32690","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/6

Affected products and versions

8 source assertions
{"platforms":["x64-based Systems"],"product":"Windows Server 2022, 23H2 Edition (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.25398.2274","status":"affected","version":"10.0.25398.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/5
{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5020","status":"affected","version":"10.0.20348.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/4
{"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8644","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/2
{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32690","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/7
{"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9060","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/0
{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.8644","status":"affected","version":"10.0.17763.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/3
{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9060","status":"affected","version":"10.0.14393.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/1
{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.32690","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/affected/6

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"Windows Hello Security Feature Bypass Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27928"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:306cf33901aaec978848370e5f658e22dd09b74d7da204ba89267b9dfe044df3 · sha256:8209ab9f42d16238… · /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.

← Back to CVE Explorer