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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-20870

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

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Status
Published
Published
Updated
Assigning organization
microsoft

Description

Use after free in Windows Win32K - ICOMP 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 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.7623affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.7623affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.32230affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.32230affected

References