Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
Priority MEDIUM 49CWE-288Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from Microsoft.
Summary
Authentication bypass using an alternate path or channel in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00473 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- —
Timeline
- 2026-10-02 Threatist record created from CVE-2026-33843
- 2026-10-03 Alias added: GHSA-5gj2-5693-p684
- 2026-10-25 EPSS moved to the below the 50th percentile
More Microsoft Entra Id vulnerabilities
- TI-2025-34907 Azure Entra ID Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2025-36833 Azure Entra ID Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-49066 Microsoft Entra ID Remote Code Execution Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2026-57733 Entra ID Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.9
- TI-2026-44972 Microsoft Entra ID Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-19589 Azure Entra ID Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-33843 · CVE Program
- CVE-2026-33843 · NVD
- FIRST EPSS
- GHSA-5gj2-5693-p684 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-33843 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences