What is CVE-2025-59285?

CVE-2025-59285 is a high-severity vulnerability in Microsoft Azure Monitor, classified under Deserialization of Untrusted Data. CVSS score: 7.0/10. Published 2025-10-14.

How severe is CVE-2025-59285?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2025-59285 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Microsoft Azure Monitor

CVE-2025-59285

Deserialization of untrusted data in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

Vulnerability class: Insecure Deserialization

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Azure Monitor — versions 1.0.0
Microsoft Azure_monitor_agent

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-59285?: CVE-2025-59285 is a high-severity vulnerability in Microsoft Azure Monitor, classified under Deserialization of Untrusted Data. CVSS score: 7.0/10. Published 2025-10-14.
How severe is CVE-2025-59285?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2025-59285 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.