CVE-2025-29973
Microsoft Azure File Sync Elevation of Privilege Vulnerability
Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Azure File Sync Elevation of Privilege Vulnerability
Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-29973- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2025-14465
Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2025-14465- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2c3j-mwh6-x6f2
Improper access control in Azure File Sync allows an authorized attacker to elevate privileges...
Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.
- Record
GHSA-2c3j-mwh6-x6f2- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-29973- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-29973 is a high vulnerability (CVSS 7.0) in Microsoft Azure File Sync, published May 13, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 24th percentile. No source names a fixed version.