Vulnerabilities

Vulnerability · CVE-2025-59504

Heap-based buffer overflow in Azure Monitor Agent allows an unauthorized attacker to execute code locally.

Published Nov 11, 2025 · catalog updated Feb 26, 2026 · Microsoft Azure Monitor

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-59504. EPSS is 0.35%. Act only if a listed version of Microsoft Azure Monitor is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.35%
Remediation
Version ranges on file
Affected products
vendor Microsoft Azure Monitor 1.0.0 <v1.37.1

Heap-based buffer overflow in Azure Monitor Agent allows an unauthorized attacker to execute code locally.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft Azure Monitor 1.0.0 <v1.37.11.0.0 <v1.37.1

How to fix CVE-2025-59504

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-59504. EPSS is 0.35%. Act only if a listed version of Microsoft Azure Monitor is installed.

Which versions are affected?

Compare what you have installed with Microsoft Azure Monitor 1.0.0 <v1.37.1 1.0.0 <v1.37.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 11, 2025 · EUVD

    Detected

    Heap-based buffer overflow in Azure Monitor Agent allows an unauthorized attacker to execute code locally.

  2. Feb 26, 2026 · EUVD

    Updated

    Heap-based buffer overflow in Azure Monitor Agent allows an unauthorized attacker to execute code locally.

Sources

  • CVE.orgVulnerability recordCVE-2025-59504

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59504

    30-day exploitation probability 0.35%

    first.org
  • EUVDVulnerability recordEUVD-2025-93453

    Heap-based buffer overflow in Azure Monitor Agent allows an unauthorized attacker to execute code locally.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 24, 2026
CVE-2025-59504: Azure Monitor CVSS 7.3 · ZeroDay Findings