Improper Access Control Vulnerability in Microsoft Azure File Sync
CVE-2025-53729

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Azure File Sync
Vendor
CVE Published:
12 August 2025

What is CVE-2025-53729?

An improper access control vulnerability in Microsoft Azure File Sync allows an attacker with authorized access to elevate privileges locally. This flaw can potentially be exploited to gain unauthorized access to sensitive resources, undermining the security integrity of the system. Users are recommended to apply consistent updates and adhere to best practices to mitigate associated risks.

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Deploy the Patch

Affected Version(s)

Azure File Sync 1.0.0 < 18.3.0.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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