CVE-2021-27058 Microsoft Office ClickToRun Remote Code Execution Vulnerability
Attackers can execute arbitrary code via Microsoft Office ClickToRun, requiring users to apply vendor patches.
- 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
- Available
What is CVE-2021-27058?
CVE-2021-27058 is a high-severity code injection vulnerability in Microsoft 365 Apps, published on 11 Mar 2021. 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 Office ClickToRun Remote Code Execution Vulnerability
Which versions are affected by CVE-2021-27058?
It affects 1 product.
Linux distribution packages (1)
python-oletools openSUSE:Tumbleweed | All versions | 0.60.1-1.2 |
Products include Microsoft 365 Apps.
How do I fix CVE-2021-27058?
Apply the vendor's patch.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-27058 being exploited?
There is no known exploitation of CVE-2021-27058 in the wild and no public exploit code.
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-whx5-mmrp-j392, openSUSE-SU-2024:11245-1, openSUSE-SU-2024:14151-1.