Deserialization of Untrusted Data in Azure Monitor Agent - CVE-2025-59285
Published: October 15, 2025
Vulnerability identifier: #VU117169
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-59285
CWE-ID: CWE-502
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Azure Monitor Agent
Azure Monitor Agent
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data in Azure Monitor Agent. A local user can pass specially crafted data to the application and execute arbitrary code on the target system with elevated privileges.
How to mitigate CVE-2025-59285
Install updates from vendor's website.