Azure File Sync
CVE-2024-21397 — Microsoft Azure File Sync Elevation of Privilege Vulnerability
Executive Summary
None
Overview
5.3
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L/E:P/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
High
AVAILABILITY
Low
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.8
EPSS Score
0.00497
probability of exploitation in the next 30 days
0.3859 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
4 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Azure File Sync v14.0 | 5023052 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Azure File Sync v15.0 | 5023052 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Azure File Sync v16.0 | 5023052 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Azure File Sync v17.0 | 5023054 (Security Update) |
Important | Elevation of Privilege | Maybe |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
5023052 |
Security Update | Maybe |
5023054 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
3wyeye5 with OSR
References
On This Page