Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.

Six Zero-Days Fixed: June 2026's Patch Tuesday addressed six zero-day flaws, most of which were already publicly disclosed ...

CISA confirms two bugs being actively exploited in the wild, as Microsoft releases patches.

Microsoft pushed out-of-band patches on May 21, 2026, for two actively exploited Windows Defender zero-days — one that lets a low-privileged attacker seize full SYSTEM-level control of any Windows ...

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...