Tag: Zero-Day Vulnerabilities
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How the SharePoint Chain Broke on July 14, 2026: CVE-2026-56164, End-of-Support, and What Every On-Prem Operator Should Do This Week
On July 14, 2026, Microsoft patched an actively exploited SharePoint zero-day (CVE-2026-56164), CISA added it to the Known Exploited Vulnerabilities catalog with a 72-hour federal deadline, and support for SharePoint Server 2016 and 2019 officially ended. Three events, one date. Here is what every on-premises operator should do this week.