Microsoft links Exchange Server instability to October 2026 Windows updates. See the OWA and mail queue symptoms, plus the registry fix. Related Posts: Anthropic Replaces Git with Proprietary Scion Version Control Russian Bot Traffic Resilient After Data Center Strikes Google AI Plus Changes Drop Pro Model Access The post Exchange Server Instability Tied to October Windows Updates appeared first on Daily CyberSecurity.

The October 2026 Patch Tuesday fixes 1,414 flaws and three zero-day vulnerabilities, including an exploited Windows Shell bypass. Patch now. Related Posts: Public PoC Exploit Disclosed for CVSS 10.0 GitLab Remote Code Execution Flaw CVE-2026-97229 Affecting 25,766 Hosts Critical Nextcloud Collabora Online Flaw CVE-2026-110447 Actively Exploited in the Wild to Deploy Webshells Public PoC Exploit Code and Technical Details Disclosed for CVE-2026-74580 Linux vhost Vulnerability (Vghost) The post