CVE-2026-65775: Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
Other sources
Windows Win32k Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.19044.7663Patch KB5120249 - Upgrade
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Fixed in 10.0.19045.7663Patch KB5120249 - Upgrade
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Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229 - Upgrade
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Fixed in 10.0.17763.9115Patch KB5120238 - Upgrade
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Fixed in 10.0.14393.9418Patch KB5120418 - Upgrade
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Fixed in 6.3.9600.23337Patch KB5120386 - Upgrade
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Fixed in 6.2.9200.26279Patch KB5120385 - Upgrade
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Fixed in 10.0.28000.2704Patch KB5121000 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26000.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
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Fixed in 10.0.22631.7517Patch KB5120240 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26200.9168Fixed in 10.0.26100.9106Patch KB5120994
Event History
Frequently Asked Questions
What is CVE-2026-65775?
CVE-2026-65775 is a Windows Win32k Elevation of Privilege Vulnerability that allows an attacker to elevate their privileges locally due to a use after free condition.
What is the severity of CVE-2026-65775?
The severity of CVE-2026-65775 is rated high with a CVSS score of 7.8.
How do I fix CVE-2026-65775?
To fix CVE-2026-65775, it is recommended to apply the relevant security updates provided by Microsoft for affected versions of Windows.
Who is affected by CVE-2026-65775?
CVE-2026-65775 affects multiple versions of Microsoft Windows, including Windows 10, Windows 11, and various Windows Server editions.
What are the potential impacts of CVE-2026-65775?
The potential impacts of CVE-2026-65775 include unauthorized privilege escalation, allowing attackers to execute arbitrary code with elevated permissions.