CVE-2026-96207 Microsoft Partner Center - Authentication Bypass

Microsoft Partner Center contains a broken authentication caused by improper certificate validation, letting unauthorized attackers elevate privileges over a network, exploit requires network access.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.48% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-295

Vendor fix

Update to the latest version with proper certificate validation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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