CVE-2026-21522

Name: CVE-2026-21522
Creator: NVD / NIST
Published: 2026-02-10T18:16:34.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2026-21522 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.41%

33.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Microsoft	Confcom	< 1.2.8

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21522Vendor Advisory

Timeline

Published: Feb 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-21522?

Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.

How severe is CVE-2026-21522?

CVE-2026-21522 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2026-21522?

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-2026-21522?

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

Scan your code now

Source: NVD / NIST