CVE-2025-53729

Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
VendorProductVersion
microsoftazure_file_sync
18.0.0.0 ≤
𝑥
< 18.3.0.0
microsoftazure_file_sync
19.0.0.0 ≤
𝑥
< 19.2.0.0
microsoftazure_file_sync
20.0.0.0 ≤
𝑥
< 20.1.0.0
microsoftazure_file_sync
21.0.0.0 ≤
𝑥
≤ 21.1.0.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53729