CVE-2026-34327

HIGH

Microsoft Partner Center Spoofing Vulnerability

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Microsoft Partner Center Spoofing Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34327

Scores

CVSS v3 8.2
EPSS 0.0016
EPSS Percentile 36.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-610
Status published
Products (2)
Microsoft/Microsoft Partner Center -
microsoft/partner_center
Published May 07, 2026
Tracked Since May 08, 2026