CVE-2025-21188

Name: CVE-2025-21188
Creator: NVD / NIST
Published: 2025-02-11T18:15:30.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2025-21188 is a medium-severity vulnerability rated 6/10 on the CVSS scale. Azure Network Watcher VM Extension Elevation of Privilege Vulnerability. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

Azure Network Watcher VM Extension Elevation of Privilege Vulnerability

Metrics

CVSS 3.1

6/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.66%

46.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Microsoft	Azure Network Watcher	< 1.4.3563.1

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21188Patch, Vendor Advisory

Timeline

Published: Feb 11, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-21188?

Azure Network Watcher VM Extension Elevation of Privilege Vulnerability

How severe is CVE-2025-21188?

CVE-2025-21188 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21188?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21188?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST