High severity8.2NVD Advisory· Published May 7, 2026· Updated May 8, 2026
CVE-2026-34327
CVE-2026-34327
Description
Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.
Affected products
2cpe:2.3:a:microsoft:partner_center:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:partner_center:-:*:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34327nvdVendor Advisory
News mentions
2- Patch Tuesday - May 2026Rapid7 Blog · May 13, 2026
- May 2026 Patch Tuesday: 30 Critical Vulnerabilities Among 130 CVEsCrowdStrike Blog