Microsoft disclosed CVE-2026-35439 on May 12, 2026, as an Important-rated Microsoft SharePoint Server remote code execution vulnerability caused by deserialization of untrusted data, affecting SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Enterprise Server 2016...
No Exchange Server Security Updates for January 2026 — What on‑premise Exchange admins need to know and do now
On January 13, 2026 Microsoft’s Exchange Team published a short but important bulletin: there are no security releases for any version of Exchange Server in January 2026. The post also...