Overview
What is CVE-2026-77480?
Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.
Vulnerability intelligence
CVE-2026-77480 and is rated High severity with a CVSS score of 8.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.