Established 2026Sunday, 6 September 2026
presents

The CloudySec Digest

The wires, edited.
← Front PageVulnerabilities Desk
Vulnerabilities

New Microsoft Defender 'ShieldBreak' zero-day grants SYSTEM privileges

A zero-day dubbed ShieldBreak grants SYSTEM privileges through Microsoft Defender itself, turning the enterprise's primary endpoint shield into an attack vector — patch unavailable at disclosure.

Summary written by editorial AI · Source link below

Filed by BleepingComputer1 min readRead at source ↗

Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldBreak" after Microsoft released the August 2026 Patch Tuesday security updates. [...]

Continue at the source
Read the full report at BleepingComputer

External link — opens at BleepingComputer in a new tab.

§
Continue with

More from the Vulnerabilities Desk