What is CVE-2025-65041?

CVE-2025-65041 is a critical-severity vulnerability in Microsoft Partner Center, classified under Improper Authorization. CVSS score: 10.0/10. Published 2025-12-18.

How severe is CVE-2025-65041?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Auth bypass in Microsoft Partner Center

CVE-2025-65041

Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.

Published 2025-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (53.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: -0.000

Affected products

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-65041 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-65041?: CVE-2025-65041 is a critical-severity vulnerability in Microsoft Partner Center, classified under Improper Authorization. CVSS score: 10.0/10. Published 2025-12-18.
How severe is CVE-2025-65041?: Critical severity. CVSS v3 base score is 10.0 out of 10.