Unrated severityNVD Advisory· Published Mar 10, 2026· Updated Apr 14, 2026
Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2026-23668
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
Affected products
1710.0.14393.0+ 2 more
- (no CPE)range: 10.0.14393.0
- (no CPE)range: 10.0.19044.0
- (no CPE)range: 10.0.19045.0
- Range: 10.0.17763.0
- Microsoft/Windows 11 version 22H3v5Range: 10.0.22631.0
- Range: 10.0.22631.0
6.2.9200.0+ 1 more
- (no CPE)range: 6.2.9200.0
- (no CPE)range: 6.3.9600.0
- Microsoft/Windows Server 2012 R2 (Server Core installation)v5Range: 6.3.9600.0
- Microsoft/Windows Server 2012 (Server Core installation)v5Range: 6.2.9200.0
- Range: 10.0.14393.0
- Microsoft/Windows Server 2016 (Server Core installation)v5Range: 10.0.14393.0
- Range: 10.0.17763.0
- Microsoft/Windows Server 2019 (Server Core installation)v5Range: 10.0.17763.0
- Range: 10.0.20348.0
- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23668mitrevendor-advisorypatch
News mentions
4- Microsoft Fixes Two Publicly Disclosed Zero-DaysInfosecurity Magazine · Mar 11, 2026
- ZDI-26-179: Microsoft Windows win32kfull Improper Locking Local Privilege Escalation VulnerabilityZero Day Initiative · Mar 10, 2026
- ZDI-26-180: Microsoft Windows cdd Improper Locking Local Privilege Escalation VulnerabilityZero Day Initiative · Mar 10, 2026
- ZDI-26-178: Microsoft Windows cdd Improper Locking Local Privilege Escalation VulnerabilityZero Day Initiative · Mar 10, 2026