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Microsoft Security Response CenterCVE-2026-24303

Microsoft Partner Center Elevation of Privilege Vulnerability

CriticalVendor CVSS 9.6 / 10 1 CVE Published Apr 23, 2026 at 7:00 AM UTC

Summary

Improper certificate validation in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.

Products covered

  • Microsoft Partner Center

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 1

Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • The vendor changed the advisory summary.

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.