CVE-2024-42004 Privilege escalation in Teams (work or school)

High 7.1 Published Updated

Attackers can inject malicious libraries into Microsoft Teams on macOS to bypass permissions and execute code with elevated privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-42004?

CVE-2024-42004 is a high-severity vulnerability in Microsoft Teams (work or school), published on 18 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A library injection vulnerability exists in Microsoft Teams (work or school) 24046.2813.2770.1094 for macOS. A specially crafted library can leverage Teams's access privileges, leading to a permission bypass. A malicious application could inject a library and start the program to trigger this vulnerability and then make use of the vulnerable application's permissions.

Weakness: CWE-347

Which versions are affected by CVE-2024-42004?

It affects 1 product.

Products include Microsoft Teams.

How do I fix CVE-2024-42004?

No fix has been published for CVE-2024-42004 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-42004 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-42004 exists.

Sources

Also known as GHSA-45pj-qv6g-f89w.

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