Do Son Microsoft links Exchange Server instability to October 2026 Windows updates. See the OWA and mail queue symptoms, plus the registry fix.
Exchange Server
Microsoft's September 2026 V2 Exchange Server security updates add CVE-2026-96940 for Exchange SE, 2019 and 2016. Install them now.
Security researchers released technical details and PoC code for CVE-2026-62911, a critical Exchange Server pre-auth RCE flaw.
Microsoft announces a paid 6-month ESU program for Exchange Server 2016/2019, offering critical security updates beyond October 2025 EOL to aid migrations.
Microsoft is increasing prices for on-premises server products by 10% and CAL Suites by up to 20% starting July/August 2025, pushing enterprises towards cloud subscriptions.
A critical RCE flaw (CVE-2025-3835) in ManageEngine Exchange Reporter Plus allows unauthenticated attackers to execute arbitrary commands. Update now!
Microsoft integrates AMSI with Exchange and SharePoint Server to enhance security against attacks like SSRF and web shell deployment, protecting against sophisticated threats.
Explore the latest on-premises server products and the upcoming price increase announced by Microsoft for 2025.
CVE-2022-41040, is a Server-Side Request Forgery (SSRF) vulnerability, CVE-2022-41082, allows remote code execution (RCE)