http://forumdzjegkm6ey6ngexwpv5u3f3sav5wnrwqmatcb6c6mhxmkhsczid.onion/topic/details/new-no-click-critical-vulnerability-in-microsoft-windows-cve-2025-21298/41
Let’s explore how this vulnerability occurs. Understanding the Attack Surface The vulnerability resides in ole32.dll’s UtOlePresStmToContentsStm function, which processes OLE objects embedded in emails/files. When Outlook or Word renders these objects, it invokes this function to handle data conversion between storage streams.