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Description

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

PUBLISHED Reserved 2026-03-26 | Published 2026-05-07 | Updated 2026-05-08 | Assigner microsoft




HIGH: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C

Problem types

CWE-610: Externally Controlled Reference to a Resource in Another Sphere

Product status

-
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34327 (Microsoft Partner Center Spoofing Vulnerability) vendor-advisory patch

cve.org (CVE-2026-34327)

nvd.nist.gov (CVE-2026-34327)

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