CVE-2026-69558 — HIGH (8.6)

Vulnerability Description

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

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-639

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69558

FAQ

What is CVE-2026-69558?

CVE-2026-69558 is a vulnerability with a CVSS score of 8.6 (HIGH). Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.

How severe is CVE-2026-69558?

CVE-2026-69558 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-69558?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.