CVE-2025-26684 Microsoft Defender Elevation of Privilege Vulnerability
An authorized local attacker can exploit path traversal in Microsoft Defender for Endpoint for Linux to elevate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-26684?
CVE-2025-26684 is a medium-severity path traversal vulnerability in Microsoft Defender for Endpoint for Linux, published on 13 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
External control of file name or path in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.
Which versions are affected by CVE-2025-26684?
It affects 1 product.
Products include Microsoft Defender for Endpoint.
How do I fix CVE-2025-26684?
No fix has been published for CVE-2025-26684 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-26684 being exploited?
There is no known exploitation of CVE-2025-26684 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Defender for Endpoint for Linux
- CVE-2026-21537 Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
- CVE-2024-49057 Microsoft Defender for Endpoint on Android Spoofing Vulnerability
- CVE-2025-47161 Microsoft Defender for Endpoint Elevation of Privilege Vulnerability
- CVE-2024-21315 Microsoft Defender for Endpoint Protection Elevation of Privilege Vulnerability
- CVE-2022-35828 Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability
Sources
Also known as GHSA-xrjq-mmx8-72h6.