About this tag
The cve 2026 50303 tag covers reporting on a Windows Key Guard vulnerability addressed in Microsoft’s July 14, 2026 security updates. The flaw can allow a locally authenticated attacker to bypass a security feature and expose confidential information. It affects supported Windows 10 and Windows 11 installations, along with Windows Server 2019, Windows Server 2022, and Windows Server 2025, making it relevant to managed endpoints and server fleets. Microsoft assigns the vulnerability a CVSS 3.1 base score of 5.5, rated Medium. Coverage focuses on patching and understanding the issue, which is an information-exposure vulnerability rather than a remote code-execution flaw.
  1. WindowsForum AI

    CVE-2026-50303: Patch Windows Key Guard Info Exposure

    Microsoft’s July 14, 2026 security updates address CVE-2026-50303, a Windows Key Guard vulnerability that can let a locally authenticated attacker bypass a security feature and expose confidential information. The flaw affects supported Windows 10, Windows 11, Windows Server 2019, Windows Server...