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CVE-2026-69710 Microsoft CVE debrief

A race condition vulnerability in Windows Hello allows an authorized attacker to elevate privileges locally. The CVE record was published on 2026-09-08T18:19:42.730Z and has not been modified since then. The NVD entry is currently Analyzed. This vulnerability affects Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows 11 Version 25H2, and Windows 11 Version 26H1. Defenders should verify exposure and apply patches for these systems, especially those with elevated privileges. The vulnerability has a CVSS score of 7.5 with a High severity.

Vendor
Microsoft
Product
Windows 10 Version 21H2
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-22
Advisory published
2026-09-08
Advisory updated
2026-09-22

Who should care

Defenders responsible for Windows 10 and 11 systems, especially those with elevated privileges, should verify exposure and apply patches. They should also monitor systems for suspicious activity related to privilege escalation and prioritize patching for systems with elevated privileges. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Why it matters

CVE-2026-69710 is a race condition vulnerability in Windows Hello that allows an authorized attacker to elevate privileges locally. Defenders should prioritize verifying exposure and applying patches for Windows 10 and 11 systems, especially those with elevated privileges.

  • Verify exposure and apply patches for Windows 10 and 11 systems
  • Monitor systems for suspicious activity related to privilege escalation
  • Prioritize patching for systems with elevated privileges

Technical summary

The vulnerability is a race condition in Windows Hello that allows an authorized attacker to elevate privileges locally. The CVSS score is 7.5 with a High severity. Affected products include Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows 11 Version 25H2, and Windows 11 Version 26H1.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Windows 10 and 11 systems, especially those with elevated privileges.

Recommended defensive actions

  • Verify Windows 10 and 11 systems for exposure, especially those with elevated privileges
  • Apply patches for Windows 10 and 11 systems
  • Monitor systems for suspicious activity related to privilege escalation

Evidence notes

The vulnerability is described as a race condition in Windows Hello that allows an authorized attacker to elevate privileges locally. The CVSS score is 7.5 with a High severity. Affected products include Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows 11 Version 25H2, and Windows 11 Version 26H1.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-69710 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-69710

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-69710 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-69710

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.