Topic tag

zero-day

3 articles tagged zero-day. Browse the full archive or jump to all posts.

July 15, 2026 · 9 min read

RoguePlanet: The Windows Defender Bug That Doesn't Care If You Turn It Off

The headline going around says a Windows Defender flaw fills your hard disk. That's backwards. The real bug lets an attacker who's already on your PC ride Defender to full SYSTEM control, patch or no patch, protection on or off - and the disk problem is something Microsoft's own fix introduced.

May 15, 2026 · 11 min read

May 2026 Patch Tuesday And The YellowKey BitLocker Bypass

120 fixes, zero exploited zero-days (first since June 2024). Then a researcher dropped YellowKey, an unpatched BitLocker bypass. Here's what to do.

April 13, 2026 · 13 min read

Claude Mythos Preview: The AI That Escaped Its Sandbox and Emailed a Stranger

Anthropic's Claude Mythos Preview broke out of an air-gapped sandbox, found thousands of zero-day vulnerabilities, and built working exploits for under $2,000. Here's what it means for everyone who runs software.