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マイクロソフト、Windowsの重大なセキュリティ更新プログラムを配布

In a rare move that has been noted by the industry, Microsoft has "silently activated" a critical security update for Windows operating systems, bypassing the usual monthly Patch‑Tuesday cadence. Its goal is to patch a serious vulnerability that may have exposed systems to attack, with enterprises and IT managers around the world reassessing their update policies as a result. With this update now in place, organisations - including those based in Japan - are encouraged to validate their Windows environments are secured and assess their cybersecurity posture in the wake of ever-aggressive threat landscapes. What Changed: The Silent Security Patch Microsoft took the unusual step of releasing an out-of-cycle update to address a critical risk. This patch fixes flaws that let attackers break into systems or gain higher privileges. This…