Unrated severityNVD Advisory· Published Jan 13, 2026· Updated Apr 1, 2026

Windows File Explorer Elevation of Privilege Vulnerability

CVE-2026-20808

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Printer Association Object allows an authorized attacker to elevate privileges locally.

Affected products

Microsoft/Windows 11 24h2cpe-rescue
Range: 10.0.26100.0
Microsoft/Windows 11 25h2cpe-rescue
Range: 10.0.26200.0
Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5
Range: 10.0.25398.0
Microsoft/Windows Server 2025cpe-rescue
Range: 10.0.26100.0
Microsoft/Windows Server 2025 (Server Core installation)v5
Range: 10.0.26100.0

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20808mitrevendor-advisorypatch

News mentions

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