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CVE-2026-34327

HighCVSS 8.2/10Last modified Oct 26, 2026

Description

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

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Microsoft Partner Center	-

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34327Vendor Advisory

Timeline

Published: May 7, 2026
Last modified: Oct 26, 2026
NVD status: Analyzed

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CVE-2026-34327: High severity, CVSS 8.2 | Vulnix