CVE-2026-34327

Microsoft Partner Center Spoofing Vulnerability

Published May 7, 2026 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:partner_center:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.
Title Microsoft Partner Center Spoofing Vulnerability
First Time appeared Microsoft
Microsoft partner Center
Weaknesses CWE-610
CPEs cpe:2.3:a:microsoft:partner_center:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft partner Center
References
Metrics cvssV3_1

{'score': 8.2, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 10, 2026, 3:13 PM
Reserved
Mar 26, 2026, 9:02 PM
Status
Analyzed
Published
May 7, 2026, 10:16 PM
Modified
Oct 26, 2026, 8:10 PM