Here are the main stories you missed last week. 1. Microsoft Exchange: CVE-2026-62911 lets any attacker with basic network access take over every mailbox on a server, and 21,899 servers are still unpatched The headline: As of August 31, 21,899 internet-facing Microsoft Exchange servers remained unpatched against CVE-2026-62911, an authentication bypass by capture-replay flaw that […] The post Cyber Roundup — Week of August 31st appeared first on CybelAngel .