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Microsoft Security Response CenterCVE-2026-34327

Microsoft Partner Center Spoofing Vulnerability

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

Read the vendor bulletin Get alerts for Microsoft Partner Center
8.2CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • Microsoft Partner Center
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-34327View CVSS, KEV, EPSS, and threat context
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