CYBER DELTA FORCESearch

Nightmare-Eclipse Strikes Again With 'ShieldCrash' Windows Exploit

The disgruntled researcher continued their vendetta against Microsoft by publishing yet another zero-day exploit for Windows Defender.

CDF News DeskDark Reading10 Sept 2026, 8:59 pm
CDF REPORT

The disgruntled researcher continued their vendetta against Microsoft by publishing yet another zero-day exploit for Windows Defender.

What remains unknown

The available reporting does not establish which organizations or systems have been directly affected.

The available reporting does not establish whether the issue is being actively exploited in the wild.

The available reporting does not establish who is behind the activity, if an attacker is involved.

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