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High severity7.0NVD Advisory· Published Jan 13, 2026· Updated Jul 30, 2026

CVE-2026-20815

CVE-2026-20815

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.

Affected products

8
  • Microsoft/Windows 11 24h2cpe-rescue2 versions
    10.0.26100.0+ 1 more
    • (no CPE)range: 10.0.26100.0
    • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*range: <10.0.26100.7623
  • Microsoft/Windows 11 25h2cpe-rescue2 versions
    10.0.26200.0+ 1 more
    • (no CPE)range: 10.0.26200.0
    • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*range: <10.0.26200.7623
  • Microsoft/Windows Server 2025cpe-rescue2 versions
    10.0.26100.0+ 1 more
    • (no CPE)range: 10.0.26100.0
    • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*range: <10.0.26100.32230
  • Microsoft/Capability Access Management Servicellm-fuzzy
  • Microsoft/Windows Server 2025 (Server Core installation)v5
    Range: 10.0.26100.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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