What’s Vulnerable › Vulnerabilities

CVE-2024-21397: Microsoft Azure File Sync Elevation of Privilege Vulnerability

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-13 · updated 2026-08-10
• Weakness: CWE-59

Description

Microsoft Azure File Sync Elevation of Privilege Vulnerability

Affected products

• Microsoft Azure File Sync: from 14.0.0.0 before 16.2.0.0; 17.0.0.0 — fixed in 16.2.0.0
• Microsoft Azure File Sync: from 16.0.0 before 16.2 — fixed in 16.2

How to fix

Upgrade to a fixed version: Microsoft Azure File Sync 16.2.0.0; Microsoft Azure File Sync 16.2. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21397
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21397

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