Vulnerability Intelligence Report
Microsoft Partner Center Spoofing Vulnerability
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.
No Active Exploit Signals
CVSS Base Score
8.2
HIGH
Exploitability:3.9
Impact Score:4.3
EPSS Probability:0.64%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-610 ↗CWE-610: Externally Controlled Reference to a Resource in Another Sphere
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft Partner Center | - (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.638%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-03-26T21:02:16 |
| Published | 2026-05-07T20:58:54 |
| Patch Date | 2026-05-07 |
| Last Updated | 2026-08-10T15:13:53 |
Community Chatter & Buzz