CVE-2026-69380

Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

  • Published Sep 8, 2026
  • CVSS 8.1 high
  • 0.7% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-69380 at the National Vulnerability Database