Improper Access Control in Azure File Sync by Microsoft
CVE-2025-29973

7HIGH

Key Information:

Vendor

Microsoft
Status
Azure File Sync
Vendor
CVE Published:
13 May 2025

What is CVE-2025-29973?

An improper access control vulnerability in Azure File Sync permits an authorized attacker to escalate privileges locally, potentially leading to unauthorized access and manipulation of data. This vulnerability poses significant risks if exploited, allowing the attacker to perform actions beyond their intended permissions. Organizations using Azure File Sync should ensure they implement appropriate security measures to mitigate this risk and protect their data integrity.

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Deploy the Patch

Affected Version(s)

Azure File Sync Unknown 1.0.0 < 26100

References

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

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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