Microsoft Security Response CenterCVE-2026-62915

Microsoft Exchange Server Security Feature Bypass Vulnerability

HighVendor CVSS 6.5 / 10 1 CVE Published Aug 11, 2026 at 7:00 AM UTC

Summary

Missing authorization in Microsoft Exchange Server allows an authorized attacker to bypass a security feature over a network.

Install KB5121576. Install KB5121573. Install KB5121574. Install KB5121575.

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Aug 11, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Aug 20, 2026 at 6:50 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 28, 2026 at 3:45 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

Official bulletin How SecurityAlert builds this record

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