Quick answers
- Is CVE-2026-69558 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-69558 being exploited in the wild.
- How severe is CVE-2026-69558?
- High severity, with a CVSS score of 8.6, published 20 August 2026.
- Which products and versions are affected?
- Microsoft Partner Center <unknown>.
- Is there a fix for CVE-2026-69558?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-69558 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-69558?
- Check whether you run Microsoft Partner Center at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This authorization bypass vulnerability in Microsoft Partner Center stems from improper validation of a user-controlled cryptographic key used in authentication or access control logic. An attacker can craft a malicious request with a specially crafted key value to bypass authorization checks and gain unauthorized access to sensitive information. The vulnerability is network-accessible and requires no authentication or user interaction. Successful exploitation allows attackers to disclose confidential information including customer data, subscription details, and account information. Microsoft has issued security updates to patch this vulnerability.
Affected products
- Microsoft Partner Center <unknown>
Timeline
- 2026-08-20: disclosed