Vulnerability · Published May 7, 2026 · Assigned by microsoft
CVE-2026-34327Microsoft Partner Center Spoofing Vulnerability
High 8.2
In plain English
A high-severity security flaw in Microsoft Partner Center from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.6%top 49.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Partner Center | - |
Weakness: CWE-610 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C
References
- Microsoft Partner Center Spoofing Vulnerability vendor-advisory, patch