CVE-2024-21390 json
Microsoft Authenticator Elevation of Privilege Vulnerability
published 2024-03-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19101
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
Microsoft Authenticator Elevation of Privilege Vulnerability
Patch / fix
- Microsoft Microsoft Authenticator 6.2401.0617
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.27% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
Affected products
- Microsoft Microsoft Authenticator
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2024-21390
vendor-advisory, patch
Sources
- CVE List CVE-2024-21390
- NVD CVE-2024-21390
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.