What is CVE-2026-96207?

CVE-2026-96207 is a critical-severity vulnerability in Microsoft Partner Center, classified under Improper Certificate Validation. CVSS score: 10.0/10. Published 2026-10-08.

How severe is CVE-2026-96207?

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

Vulnerability in Microsoft Partner Center

CVE-2026-96207

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

Vulnerability class: Improper Certificate Validation

Published 2026-10-08 · last modified 2026-10-09.

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:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Microsoft Partner Center

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96207 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-96207?: CVE-2026-96207 is a critical-severity vulnerability in Microsoft Partner Center, classified under Improper Certificate Validation. CVSS score: 10.0/10. Published 2026-10-08.
How severe is CVE-2026-96207?: Critical severity. CVSS v3 base score is 10.0 out of 10.