CVE-2026-33843

PUBLISHED
Published: 22 May 2026, 22:03
Last modified:22 May 2026, 22:03

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
v3.1 (cve.org)
EPSS Score
0.05% LOW
0% probability
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

22 May 2026, 22:03
Published
Vulnerability first disclosed

Description

Authentication bypass using an alternate path or channel in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Trends

Current EPSS score: 0.05%• Percentile: 16%

Techniques & Countermeasures

  • CWE-288•Authentication Bypass Using an Alternate Path or Channel

    The product requires authentication, but the product has an alternate path or channel that does not require authentication.

Affected Systems

  • microsoft•microsoft entra

    -

References (1)