cve 2026 50661

The cve 2026 50661 tag covers Microsoft’s publicly disclosed BitLocker security feature bypass vulnerability and the Windows updates that address it. The flaw could allow an unauthorized attacker to bypass a Windows security feature after gaining physical access to a device, without requiring privileges or user interaction. Microsoft fixed the issue in the July 14, 2026 security updates for supported Windows 10, Windows 11, and Windows Server 2016, 2019, 2022, and 2025 installations. The vulnerability is listed in Microsoft’s Security Update Guide with a CVSS 3.1 base score of 6.1 and is classified as a Windows BitLocker security feature bypass.