CVE-2026-83711

Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.

  • Published Sep 3, 2026
  • CVSS 10.0 critical
  • 0.8% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2026-83711 at the National Vulnerability Database