CVE-2026-24303CWE-284broken-access-control

CVE-2026-24303

Critical · published April 24, 2026

CVSS v3.1
9.6
EPSS
0%
Percentile
31.9
In the wild
Unconfirmed
What it is

Improper certificate validation in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00389 · 31.9th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-04-24T02:16Z
Affected products (1)
ProductVersionsFixed in
microsoft/partner_centerall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24303 · [email protected]
EPSS history
Timeline
  • 23 APR 21:37Z
    Microsoft Partner Center Elevation of Privilege Vulnerability
    cvelistv5