CVE-2026-32163: Windows User Interface Core Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface Core allows an authorized attacker to elevate privileges locally.
Other sources
Windows User Interface Core Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7184Patch KB5082200 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.32690Patch KB5082063 - Upgrade
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Fixed in 10.0.26200.8246Patch KB5083769 - Upgrade
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Fixed in 10.0.19044.7184Patch KB5082200 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5020Patch KB5082142 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.8644Patch KB5082123 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.1836Patch KB5083768 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8246Patch KB5083769 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.6936Patch KB5082052 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.25398.2274Patch KB5082060
Event History
Frequently Asked Questions
What is the severity of CVE-2026-32163?
CVE-2026-32163 has a high severity rating due to its potential to allow an authorized attacker to elevate privileges on vulnerable systems.
How do I fix CVE-2026-32163?
To fix CVE-2026-32163, apply the official patches provided by Microsoft for the affected systems.
Which systems are affected by CVE-2026-32163?
CVE-2026-32163 affects various versions of Windows, including Windows Server 2019, Windows Server 2022, Windows 10 versions 21H2 and 22H2, and Windows 11.
Is user authentication required to exploit CVE-2026-32163?
Yes, an authorized attacker must have local access to exploit CVE-2026-32163 and elevate privileges.
What type of vulnerability is CVE-2026-32163 classified as?
CVE-2026-32163 is classified as an Elevation of Privilege vulnerability caused by a race condition in Windows User Interface Core.