Russo History.7z May 2026

In early , cybersecurity researchers identified a zero-day vulnerability in the 7-Zip utility. This vulnerability was reportedly exploited during regional conflicts to bypass Windows security features like Mark of the Web (MotW) , which flags files downloaded from the internet to prevent malicious execution.

: Added support for unpacking ISO images, MSI installers, and RAR archives. Russo History.7z

The extension introduced several major advancements to file archiving: In early , cybersecurity researchers identified a zero-day

: In many benchmarks, 7z can compress files 30–70% better than the standard ZIP format. Russo History.7z

Expanded support for macOS formats, including archives using the LZFSE compression method. Recent Security Context