Microsoft Azure Active Directory B2C Spoofing Vulnerability
Priority LOW 32CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352.
Summary
Microsoft Azure Active Directory B2C Spoofing Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0042 36th percentileScored 2026-11-07
Fix Fixed Entra (Microsoft): publication
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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
- Fix · CNA Entra (Microsoft) Fixed in publication
Timeline
- 2026-10-02 Threatist record created from CVE-2024-21381
- 2026-10-03 Alias added: GHSA-v87j-jxhf-9vq2
References
More Microsoft Azure Active Directory vulnerabilities
- TI-2026-33251 Azure Active Directory Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2026-37217 Azure Active Directory Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.9
- TI-2026-37341 Azure Active Directory Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2026-37342 Azure Active Directory Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2021-18739 Azure Active Directory Information Disclosure Vulnerability CVSS 3.1HIGH 8.1
Sources
- CVE-2024-21381 · CVE Program
- CVE-2024-21381 · NVD
- FIRST EPSS
- GHSA-v87j-jxhf-9vq2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences