by Kastro
Paper/Archive/CVE-2026-33843

CVE-2026-33843

Microsoft Microsoft Entra — Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 40.9.409 × 208.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
Microsoft Entra-–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
microsoft (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-33843