CVE-2026-69558CWE-639

CVE-2026-69558

High · published August 21, 2026

CVSS v3.1
8.6
EPSS
1%
Percentile
61.7
In the wild
Unconfirmed
What it is

Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00973 · 61.7th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-08-21T02:18Z
Affected products (1)
ProductVersionsFixed in
microsoft/partner_centerall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69558 · [email protected]
EPSS history
Timeline
  • 20 AUG 21:47Z
    Microsoft Partner Center Information Disclosure Vulnerability
    cvelistv5