Hackers Exploit SharePoint Zero-Day Since July 7 to Steal Keys, Maintain Persistent Access

The recently disclosedcritical Microsoft SharePoint vulnerabilityhas been under exploitation as early as July 7, 2025, according to findings from Check Point Research. The cybersecurity companysaidit observed first exploitation attempts targeting an unnamed major Western government, with the activity intensifying on July 18 and 19, spanning government, telecommunications, and software sectors in North America and Western Europe. Check Point also said the exploitation efforts originated from thre...