CVE-2024-30103 Microsoft Outlook Remote Code Execution Vulnerability
Attackers can execute arbitrary code on systems running Microsoft Outlook, requiring immediate patching by enterprise and individual users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-30103?
CVE-2024-30103 is a high-severity code injection vulnerability in Microsoft 365 Apps, published on 11 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Microsoft Outlook Remote Code Execution Vulnerability
Weakness: CWE-184
Which versions are affected by CVE-2024-30103?
It affects 4 products.
Products include Microsoft 365 Apps, Microsoft Office, Microsoft Office Long Term Servicing Channel, Microsoft Outlook.
How do I fix CVE-2024-30103?
No fix has been published for CVE-2024-30103 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2024-30103 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-30103 exists.
Other vulnerabilities in Microsoft 365 Apps
- CVE-2024-21413 Microsoft Outlook Improper Input Validation
- CVE-2023-23397 Microsoft Office Outlook Privilege Escalation
- CVE-2024-38189 Microsoft Project Remote Code Execution Vulnerability
- CVE-2023-35311 Microsoft Outlook Security Feature Bypass
- CVE-2026-21514 Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision
Sources
Also known as GHSA-43r8-23m5-329f.