Findings

CVE-2026-71347

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Security Center allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · updated Oct 15, 2026 · Microsoft Windows

Affected Microsoft products: Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 1607 for 32-bit Systems, Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 21H2 for x64-based Systems.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · NIST NVD

    Detected

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Security Center allows an authorized attacker to elevate privileges locally.

  2. Oct 15, 2026 · NIST NVD

    Updated

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Security Center allows an authorized attacker to elevate privileges locally.

Affected

  • microsoft Windows 10 Version 1607 for 32-bit Systemsversion unspecified
  • microsoft Windows 10 Version 1607 for x64-based Systemsversion unspecified
  • microsoft Windows 10 Version 1809 for 32-bit Systemsversion unspecified
  • microsoft Windows 10 Version 1809 for x64-based Systemsversion unspecified
  • microsoft Windows 10 Version 21H2 for 32-bit Systemsversion unspecified
  • microsoft Windows 10 Version 21H2 for ARM64-based Systemsversion unspecified
  • microsoft Windows 10 Version 21H2 for x64-based Systemsversion unspecified
  • microsoft Windows 10 Version 22H2 for 32-bit Systemsversion unspecified
  • microsoft Windows 10 Version 22H2 for ARM64-based Systemsversion unspecified
  • microsoft Windows 10 Version 22H2 for x64-based Systemsversion unspecified
  • microsoft Windows 11 Version 23H2 for ARM64-based Systemsversion unspecified
  • microsoft Windows 11 Version 23H2 for x64-based Systemsversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-71347

    Official CVE identifier

    cve.org
  • Microsoft Security Update GuideVendor advisoryCVE-2026-71347

    Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 1607 for 32-bit Systems

    msrc.microsoft.com
  • NIST NVDVulnerability recordCVE-2026-71347

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Security Center allows an authorized attacker to elevate privileges locally.

    nvd.nist.gov

References