Important CVSS 7 EPSS 0.00284 2025-05 archive

Executive Summary

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

Overview

7
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
Category Elevation of Privilege
Released May 13 2025
Last Updated May 13 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00284 — 0.19907 percentile

CVSS Vector

ATTACK VECTOR
Local
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 6.1

EPSS Score

0.00284
probability of exploitation in the next 30 days
0.19907 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

2 affected products
Product KB Article Severity Impact Restart Required
Azure File Sync v19.0 Release Notes (N/A) Important Elevation of Privilege Maybe
Azure File Sync v20.0 Release Notes (N/A) Important Elevation of Privilege Maybe

Patches

1 patch
Article Type Restart
Release Notes N/A Maybe

Known Exploits

Acknowledgments

Anonymous