Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
Security updates
10.0.26100.33438 — https://support.microsoft.com/help/5122871
10.0.22631.7582 — https://support.microsoft.com/help/5122880
Vulnerabilities 1
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High 7.1
Windows DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges over a network.
Revision history
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#1
Information published.
References
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CVE-2026-69775 Windows DWM Core Library Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69775
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss