CVE-2026-69558: Microsoft Partner Center

High severity, CVSS 8.6. EPSS: 1% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft Partner Center: affected versions not specified

Published 2026-08-20. Last modified 2026-08-25.