CVE-2026-69558 Microsoft Partner Center Information Disclosure Vulnerability
An unauthorized attacker can bypass authorization to disclose information over the network in Microsoft Partner Center.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-69558?
CVE-2026-69558 is a high-severity authentication bypass vulnerability in Microsoft Partner Center, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-639
Which versions are affected by CVE-2026-69558?
It affects 1 product.
Products include Microsoft Partner Center.
How do I fix CVE-2026-69558?
No fix has been published for CVE-2026-69558 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-69558 being exploited?
There is no known exploitation of CVE-2026-69558 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Partner Center
- CVE-2024-49035 Microsoft Partner Center Improper Access Control
- CVE-2026-96207 Microsoft Partner Center Elevation of Privilege Vulnerability
- CVE-2025-65041 Microsoft Partner Center Elevation of Privilege Vulnerability
- CVE-2026-24303 Microsoft Partner Center Elevation of Privilege Vulnerability
- CVE-2025-29814 Microsoft Partner Center Elevation of Privilege Vulnerability
Sources
Also known as GHSA-7fcf-m943-h7cx.