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CVE-2026-20842: Microsoft DWM Core Library Elevation of Privilege Vulnerability

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** For an attacker to exploit this vulnerability, they would need to have knowledge of a specific operation that triggers a memory allocation failure, specifically a use after free.

Microsoft Security Response Center
#vulnerability#microsoft#Windows DWM#Security Vulnerability
CVE-2025-58722: Microsoft DWM Core Library Elevation of Privilege Vulnerability

**What privileges could be gained by an attacker who successfully exploited this vulnerability?** An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.