CVE-2026-69558
Auth bypass in Microsoft Partner Center allows unauthorized information disclosure.
Is CVE-2026-69558 being exploited?
Not confirmed. CVE-2026-69558 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.54% probability of exploitation in the next 30 days.
How severe is CVE-2026-69558?
CVE-2026-69558 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-69558?
Yes. A fix has been recorded for CVE-2026-69558. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-69558 affect?
CVE-2026-69558 affects Microsoft Partner Center, Partner Center API, Partner Center web portal. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-69558?
Apply vendor patch when released; rotate/restrict partner keys and audit access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote authorization bypass via user-controlled key enabling disclosure of partner/customer data through Partner Center APIs/portal.
Patch when possible