CVE-2026-34327 HIGH

CVE-2026-34327: Microsoft Partner Center Spoofing Vulnerability

Vendor Microsoft
Product Microsoft Partner Center
Weakness CWE-610
Published May 7, 2026
Last update June 9, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.

Key dates

02Disclosure timeline

May 7, 2026 CVE published
June 9, 2026 Record updated