Summary
Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What type of information could be disclosed by this vulnerability?
An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.
Security updates
10.0.28000.2269 — https://support.microsoft.com/help/5095051
Vulnerabilities 1
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Medium 5.5
Windows DWM Core Library Information Disclosure Vulnerability
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
Revision history
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#4
Updated an acknowledgement. This is an informational change only.
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#3
Acknowledgement Updated
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#2
Updated an acknowledgement. This is an informational change only.
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#1
Information published.
References
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CVE-2026-44814 Windows DWM Core Library Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44814
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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