Vulnerabilities · InfosecFeed Brief

Microsoft working on Defender patch for ShieldBreak zero-day

What you need to know

Microsoft is working on a security patch for the "ShieldBreak" zero-day vulnerability disclosed last week by security researcher "Nightmare Eclipse" and now tracked as CVE-2026-69414. [...]

Source transparency

This is an InfosecFeed curated brief based on reporting from BleepingComputer. InfosecFeed does not claim ownership of the original reporting.

Read the original report at BleepingComputer ↗