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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.008 (54.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-59285: held from 0.007 to 0.008.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.