What is CVE-2025-59504?

CVE-2025-59504 is a high-severity vulnerability in Microsoft Azure Monitor, classified under Heap-based Buffer Overflow. CVSS score: 7.3/10. Published 2025-11-11.

How severe is CVE-2025-59504?

High severity. CVSS v3 base score is 7.3 out of 10.

Buffer overflow in Microsoft Azure Monitor

CVE-2025-59504

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

Vulnerability class: Buffer Overflow

EPSS: 0.001 (16.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Azure Monitor — versions 1.0.0

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

Azure Monitor Agent Remote Code Execution Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-59504?: CVE-2025-59504 is a high-severity vulnerability in Microsoft Azure Monitor, classified under Heap-based Buffer Overflow. CVSS score: 7.3/10. Published 2025-11-11.
How severe is CVE-2025-59504?: High severity. CVSS v3 base score is 7.3 out of 10.