CVE-2026-65660: a SharePoint flaw that never writes a file to disk Most incident response playbooks for a web server compromise start with the file system. Analysts look for recently written scripts, unexpected directories and timestamps that do not match a deployment window. CVE-2026-65660 breaks that habit, because the exploitation chain it uses builds its payload in memory and leaves no file behind. Technical context Microsoft rated the flaw 8.8 and fixed it on 11 August 2...