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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-83757

Win32k Elevation of Privilege Vulnerability

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

Description

Heap-based buffer overflow in Windows Win32K 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 23H2

  • 10.0.22631.0 to < 10.0.22631.7652affected

Microsoft Windows 11 Version 23H2

  • 10.0.22631.0 to < 10.0.22631.7652affected

Microsoft Windows 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.9711affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.9711affected

Microsoft Windows 11 version 26H1

  • 10.0.28000.0 to < 10.0.28000.3231affected

Microsoft Windows 11 Version 26H2

  • 10.0.26300.0 to < 10.0.26300.9711affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.5761affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.33650affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.33650affected

References