CVE-2026-69277

Stack-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally.

  • Published Sep 8, 2026
  • CVSS 7.8 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

In the news

CVE-2026-69277 at the National Vulnerability Database