cve 2026 50329

The cve 2026 50329 tag covers Microsoft’s security patch for an Important-rated elevation-of-privilege vulnerability in the Windows Desktop Window Manager Core Library. The use-after-free memory-safety flaw affects supported Windows 10, Windows 11, and Windows Server releases. An attacker with existing local access could exploit it to raise privileges, without requiring interaction from another user. Tagged coverage follows Microsoft’s July 14, 2026, disclosure, including the CVSS 3.1 base score of 7.8 and descriptions that associate the issue with Windows kernel security. This page collects discussion and information about the vulnerability, its impact, and the relevant Windows update response.