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

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Sep 3, 2026 · NIST NVD

   Detected

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

2. Oct 14, 2026 · NIST NVD

   Updated

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

Affected

• cpe microsoft/azure active directory b2cversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-83711

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-83711

  30-day exploitation probability 0.8%

  first.org
• NIST NVDVulnerability recordCVE-2026-83711

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

  nvd.nist.gov

References

• Patch · msrc.microsoft.com