CVE-2025-21188 Azure Network Watcher VM Extension Elevation of Privilege Vulnerability
An attacker can exploit a symlink vulnerability in the Azure Network Watcher VM Extension to escalate privileges on the host system.
- 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-2025-21188?
CVE-2025-21188 is a medium-severity vulnerability in Microsoft Azure Network Watcher VM Extension, published on 11 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Azure Network Watcher VM Extension Elevation of Privilege Vulnerability
Weakness: CWE-59
Which versions are affected by CVE-2025-21188?
It affects 1 product.
Products include Microsoft Azure Network Watcher.
How do I fix CVE-2025-21188?
No fix has been published for CVE-2025-21188 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-21188 being exploited?
There is no known exploitation of CVE-2025-21188 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure Network Watcher VM Extension
Sources
Also known as GHSA-rxc7-mfvv-r2xp.