CVE-2026-69368: Windows Overlay Filter Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
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 6.3.9600.23397Patch KB5123066 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008
Event History
Frequently Asked Questions
Which systems are in scope?
The affected software list includes Microsoft Windows 10, Windows 11, and Windows Server 2012 R2, 2016, 2019, 2022, and 2025.
What level of access does an attacker need?
Exploitation requires local access and low privileges. No user interaction is required, according to the supplied CVSS vector.
What could successful exploitation allow?
Successful exploitation can affect confidentiality, integrity, and availability at a high impact level. The vulnerability is rated high severity with a CVSS score of 7.8.