FactaeThe Factual News

Zero-day tool blocks Microsoft Defender updates

BigDiskBuster, a zero-day tool published on GitHub, prevents Microsoft Defender from updating.

Published 3h1 sourceNotable
Lire en français
≈ 14s

The fact

It fills disk space to block signature updates.

Its author, Abdelhamid Naceri, did not provide a patch.

Click the link to read an article on the topic:
Explore this topic
What if you saw the whole news differently?Factae cross-checks hundreds of sources worldwide to keep only the fact, no opinion. Explore the front page.
Follow topic →
Auto-synthesis from 1 media source · identified on September 22, 2026
← Back to home
Discover

Read more

All cybersecurite →
tech

Researcher discloses zero-day flaw in Windows Defender

13h · 1 sourceinformatique

Researcher discovers new zero-day flaw in Microsoft Defender

1sem · 1 sourcecybersecurite

Microsoft Defender vulnerable to ShieldCrash zero-day exploit

1sem · 1 sourcecybersecurite

Researcher bypasses Microsoft Defender patch with new proof-of-concept

1sem · 1 sourcecybersecurite

Microsoft Defender: privilege escalation vulnerability detected

14sem · 1 sourcecybersecurite

Microsoft Defender: Three critical vulnerabilities patched on May 20, 2026

9sem · 1 source