CVE-2026-33104: Win32k Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
Other sources
Win32k 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 10.0.25398.2274Patch KB5082060 - Upgrade
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Fixed in 10.0.26200.8246Patch KB5083769 - Upgrade
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Fixed in 10.0.22631.6936Patch KB5082052 - Upgrade
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Fixed in 10.0.26100.8246Patch KB5083769 - Upgrade
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Fixed in 6.3.9600.23132Patch KB5082126 - Upgrade
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Fixed in 10.0.26100.32690Patch KB5082063 - Upgrade
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Fixed in 10.0.14393.9060Patch KB5082198 - Upgrade
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Fixed in 6.2.9200.26026Patch KB5082127 - Upgrade
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Fixed in 10.0.28000.1836Patch KB5083768 - Upgrade
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Fixed in 10.0.19045.7184Patch KB5082200 - Upgrade
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Fixed in 10.0.20348.5020Patch KB5082142 - Upgrade
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Fixed in 10.0.19044.7184Patch KB5082200 - Upgrade
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Fixed in 10.0.17763.8644Patch KB5082123
Event History
Frequently Asked Questions
What is the severity of CVE-2026-33104?
CVE-2026-33104 has been classified with a severity rating that indicates the risk of local privilege escalation due to a race condition in the Win32k component of Windows.
How do I fix CVE-2026-33104?
To fix CVE-2026-33104, you should install the latest security updates and patches released by Microsoft as specified for your affected version of Windows.
Which Windows versions are affected by CVE-2026-33104?
CVE-2026-33104 affects multiple versions of Windows, including Windows 10, Windows 11, and various editions of Windows Server.
Can CVE-2026-33104 be exploited remotely?
CVE-2026-33104 requires local access to the system for exploitation, meaning that it cannot be exploited remotely.
What are the potential impacts of CVE-2026-33104 if exploited?
If exploited, CVE-2026-33104 can allow an authorized user to gain elevated privileges on the affected system, potentially leading to unauthorized access and control.