CVE-2024-21390
Microsoft Authenticator Elevation of Privilege Vulnerability
Microsoft Authenticator Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
7.1
Microsoft Authenticator Elevation of Privilege Vulnerability
Microsoft Authenticator Elevation of Privilege Vulnerability
- Record
CVE-2024-21390- CVSS 3.1
- 7.1 High
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 - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2024-19101
7.1
Microsoft Authenticator Elevation of Privilege Vulnerability
- Record
EUVD-2024-19101- CVSS 3.1
- 7.1 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7wpm-78c8-xxqh
7.1
Microsoft Authenticator Elevation of Privilege Vulnerability
Microsoft Authenticator Elevation of Privilege Vulnerability
- Record
GHSA-7wpm-78c8-xxqh- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
7.1
Microsoft Authenticator Elevation of Privilege Vulnerability
- Record
CVE-2024-21390- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-21390 is a high vulnerability (CVSS 7.1) in Microsoft Authenticator, published March 12, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.27%, the 69th percentile. No source names a fixed version.