CVE-2025-29973

Name: CVE-2025-29973
Creator: NVD / NIST
Published: 2025-05-13T17:15:58.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2025-29973 is a high-severity vulnerability rated 7/10 on the CVSS scale. Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.28%

19.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Microsoft	Azure File Sync	19.0.0.0
Microsoft	Azure File Sync	20.0.0.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29973Vendor Advisory

Timeline

Published: May 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-29973?

Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.

How severe is CVE-2025-29973?

CVE-2025-29973 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2025-29973?

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-2025-29973?

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

Scan your code now

Source: NVD / NIST