cve 2026 50340

The cve 2026 50340 tag brings together coverage of a high-severity Windows Runtime elevation-of-privilege vulnerability addressed by Microsoft’s July 14, 2026 security updates. Current information focuses on Windows 11 and Windows Server 2025, where the flaw could allow an authenticated attacker to gain higher privileges through a network-accessible attack path. The underlying issue is described as a use-after-free vulnerability, with a CVSS 3.1 score of 8.5. Microsoft rates it Important and says exploitation is less likely, with no evidence of public disclosure or attacks before the fix. Use this page to follow patch-focused discussion and security context for CVE-2026-50340.