Critical CVSS 9.1 2026-09 archive

Executive Summary

Authentication bypass using an alternate path or channel in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.

Overview

9.1
CVSS CRITICAL
Critical
MS Severity
Not Exploited
MS Exploit Status
N/A
MS Exploit Likelihood
Category Elevation of Privilege
Released Sep 8 2026
Last Updated Sep 8 2026
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known

CVSS Vector

ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.9

EPSS Score

No EPSS score available for this CVE.

View on FIRST.org

Exploits & PoC

Detection Rules

Acknowledgments