Skip to content
CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-45487

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
microsoft

Description

Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 10 Version 21H2

  • 10.0.19044.0 to < 10.0.19044.7417affected

Microsoft Windows 10 Version 22H2

  • 10.0.19045.0 to < 10.0.19045.7417affected

Microsoft Windows 11 version 23H2

  • 10.0.22631.0 to < 10.0.22631.7219affected

Microsoft Windows 11 Version 23H2

  • 10.0.22631.0 to < 10.0.22631.7219affected

Microsoft Windows 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.8655affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.8655affected

Microsoft Windows 11 version 26H1

  • 10.0.28000.0 to < 10.0.28000.2269affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.5256affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.32995affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.32995affected

References