Windows DWM Core Library Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
MSRC compact vulnerability detail
CVE-2026-42896 · Windows DWM Core Library Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Signals
Windows DWM Core Library
Elevation of Privilege
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Less Likely
CWE
Patch Diff
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Resolved binary override
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Description
Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
FAQ / Articles
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.