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HIGH · 8.2

CVE-2026-34327

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

Vulnerability Description

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

CVSS Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftPartner Center-

Related Weaknesses (CWE)

CWE-610

References

FAQ

What is CVE-2026-34327?

CVE-2026-34327 is a vulnerability with a CVSS score of 8.2 (HIGH). Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.

How severe is CVE-2026-34327?

CVE-2026-34327 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-34327?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Partner Center.