PatchTheCVEazure file sync vulnerabilities and fixes
Recent CVEs affecting azure file sync, with upgrade or downgrade steps. 2 tracked.
Also searched as: azurefilesync.
azure file sync has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-08-12. Highest priority: CVE-2025-53729 (score 38/100).
- CVE-2025-53729 HIGH 7.8 UPGRADE Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.
- CVE-2025-29973 HIGH 7.0 DOWNGRADE Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.
FAQ
How do I fix azure file sync vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is azure file sync being exploited right now?
None of the tracked azure file sync CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which azure file sync CVE should I patch first?
CVE-2025-53729 currently ranks highest (38/100): Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally..