CVE-2026-69641

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

  • Published Sep 8, 2026
  • CVSS 9.1 critical
  • 0.9% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-69641 at the National Vulnerability Database