CVE-2024-42220 Privilege escalation in Outlook
Attackers can inject malicious libraries into Microsoft Outlook for 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-2024-42220?
CVE-2024-42220 is a high-severity vulnerability in Microsoft Outlook, 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 Outlook 16.83.3 for macOS. A specially crafted library can leverage Outlook'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-2024-42220?
It affects 1 product.
Products include Microsoft Outlook.
How do I fix CVE-2024-42220?
No fix has been published for CVE-2024-42220 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-42220 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-42220 exists.
Other vulnerabilities in Microsoft Outlook
Sources
Also known as GHSA-rhpj-fhrv-wq93.