CVE-2026-69375

Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.

  • Published Sep 8, 2026
  • CVSS 6.5 medium
  • 0.6% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-69375 at the National Vulnerability Database