CVE-2026-69558Critical
Microsoft Partner Center Information Disclosure Vulnerability
Assessment
Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.
- Severity
- Critical
- CVSS base score
- 8.6CVSS:3.1/
AV:N/ AC:L/ PR:N/ UI:N/ S:C/ C:H/ I:N/ A:N/ E:U/ RL:O/ RC:C - Impact
- Information Disclosure
- EPSS, next 30 days
- 1.0%Higher than 60.5% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
- Exploitability
- Exploitation More Likely
- Publicly disclosed
- No
- Customer action
- Not required (service-side fix)
- Component
- Microsoft Partner Center
- Weakness
- CWE-639: Authorization Bypass Through User-Controlled Key
- Issued by
- Microsoft
- Published
- 20 Aug 2026 · August 2026
- Last revised
- 20 Aug 2026
Updates that fix it
0 KBsNo KB listed
MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.
Affected products
Azure1 affected product
- Microsoft Partner Center