CVE-2025-27489

Name: CVE-2025-27489
Creator: NVD / NIST
Published: 2025-04-08T18:15:59.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2025-27489 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.54%

41.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Microsoft	Azure Stack Hci 22h2	< 10.0.20348.3328
Microsoft	Azure Stack Hci 23h2	< 10.0.25398.1486

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27489Vendor Advisory

Timeline

Published: Apr 8, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-27489?

Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.

How severe is CVE-2025-27489?

CVE-2025-27489 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27489?

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-2025-27489?

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

Scan your code now

Source: NVD / NIST