CVE-2026-69954: Windows Overlay Filter Information Disclosure Vulnerability
Buffer over-read in Windows Overlay Filter allows an authorized attacker to disclose information locally.
Other sources
Windows Overlay Filter Information Disclosure 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 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
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Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
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 6.2.9200.26434Patch KB5126835 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657
Event History
Frequently Asked Questions
Who is exposed to this issue?
Systems running the listed Microsoft Windows client or server products are in scope. Exploitation is local, so the attacker must be able to run in an authorized context on the affected machine.
What access does an attacker need to exploit it?
The vulnerability requires local access and low privileges. It does not require user interaction, and the available information does not indicate any network-based exploitation path.
What is the likely impact of successful exploitation?
Successful exploitation can disclose information through a buffer over-read in Windows Overlay Filter. The provided severity vector indicates high confidentiality impact, with no stated integrity or availability impact.