ThreatsDay Bulletin: 17-Year-Old Excel RCE, Defender 0-Day, SonicWall Brute-Force and 15 More Stories
- Posted on April 16, 2026
- By The Hacker News
- 10 Views
- 1 min read
ThreatsDay Bulletin: 17-Year-Old Excel RCE, Defender 0-Day, SonicWall Brute-Force and 15 More Stories

This week's biggest hacks, zero-days, supply chain attacks, crypto theft, ransomware hits, and critical patches — all in one place.