CVE-2026-69950: Windows Overlay Filter Elevation of Privilege Vulnerability
Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
Other sources
Windows Overlay Filter Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
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Fixed in 10.0.14393.9612Fixed in 10.0.14393.9596Patch KB5126649 - Upgrade
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Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 6.2.9200.26434Fixed in 6.2.9200.26426Patch KB5127357 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 6.3.9600.23470Fixed in 6.3.9600.23457Patch KB5127356 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
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Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655
Event History
Frequently Asked Questions
Which Windows releases are listed as affected?
The listed products are Windows 10, Windows 11, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.
Can an attacker exploit this from the network without access to the target?
No. The attack vector is local, and exploitation requires an authorized attacker with low privileges on the affected system. No user interaction is required.