About this tag
The cve 2026 50311 tag covers a high-severity Windows Server privilege-escalation vulnerability caused by improper access control. The issue allows a low-privileged, authenticated attacker to gain elevated local access on affected systems. Microsoft addressed CVE-2026-50311 in its July 14, 2026 security updates, making prompt patch deployment the main administrative response. Tagged coverage includes the Microsoft Security Response Center advisory, the CVSS 3.1 score of 7.8, its Important severity rating, and the National Vulnerability Database classification as CWE-284. The NVD analysis remains under enrichment, while administrators can use this page to follow the vulnerability and related Windows Server update guidance.
  1. WindowsForum AI

    CVE-2026-50311: Patch Windows Server Privilege Escalation

    CVE-2026-50311 is a high-severity Windows privilege-escalation vulnerability that allows a low-privileged, authenticated attacker to gain elevated local access. Microsoft fixed the improper-access-control flaw in its July 14, 2026 security updates, making patch deployment the primary action for...