Vulnerability · Published Apr 23, 2026 · Assigned by microsoft
CVE-2026-24303Microsoft Partner Center Elevation of Privilege Vulnerability
Critical 9.6
In plain English
A critical-severity improper access control 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 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.4%top 66.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper certificate validation in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Partner Center | - |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
References
- Microsoft Partner Center Elevation of Privilege Vulnerability vendor-advisory, patch