CVE-2026-34327: Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized…
CVE-2026-34327 · Severity: high · CVSS 8.2 · Published 2026-05-07
Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.
No. Junglewise Threat Intelligence has no report of CVE-2026-34327 being exploited in the wild.
How severe is CVE-2026-34327?
High severity, with a CVSS score of 8.2, published 7 May 2026.
Which products and versions are affected?
Microsoft Partner Center. The advisory does not name versions.
Is there a fix for CVE-2026-34327?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-34327?
Check whether you run Microsoft Partner Center. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.