​A high-severity vulnerability in the 7-Zip file archiver allows attackers to bypass the Mark of the Web (MotW) Windows security feature and execute code on users’ computers when extracting malicious files from nested archives. […]

from https://www.bleepingcomputer.com/news/security/7-zip-fixes-bug-that-bypasses-the-windows-motw-security-mechanism-patch-now/