cve 2026 50306

The cve 2026 50306 tag covers information about a high-severity Windows TCP/IP privilege-escalation vulnerability addressed in Microsoft’s July 14, 2026 security updates. The flaw is described as a use-after-free memory error affecting supported Windows 10, Windows 11, and Windows Server releases. An attacker would need existing local access, but could potentially gain complete control of a vulnerable system. Coverage includes Microsoft’s “Important” severity rating, the CVSS 3.1 score of 7.8, and guidance to install the applicable July security updates. This archive provides focused news and discussion about the vulnerability, its affected Windows platforms, and Microsoft’s remediation.