CVE-2024-21390 Microsoft Authenticator Elevation of Privilege Vulnerability
Attackers can exploit an authentication flaw in Microsoft Authenticator to escalate privileges on the device.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-21390?
CVE-2024-21390 is a high-severity authentication bypass vulnerability in Microsoft Authenticator, published on 12 Mar 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Microsoft Authenticator Elevation of Privilege Vulnerability
Weakness: CWE-287
Which versions are affected by CVE-2024-21390?
It affects 1 product.
Products include Microsoft Authenticator.
How do I fix CVE-2024-21390?
No fix has been published for CVE-2024-21390 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-21390 being exploited?
There is no known exploitation of CVE-2024-21390 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Authenticator
Sources
Also known as GHSA-7wpm-78c8-xxqh.