CVE-2026-77484

Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.

  • Published Sep 8, 2026
  • CVSS 8.8 high
  • 1.7% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-77484 at the National Vulnerability Database