Researcher Drops BigDiskBuster Zero-Day PoC That Blocks Microsoft Defender Updates
- Posted on September 22, 2026
- By The Hacker News
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- 1 min read
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Researcher Drops BigDiskBuster Zero-Day PoC That Blocks Microsoft Defender Updates
BigDiskBuster can block Microsoft Defender updates by filling disk space, leaving detection content stale; no patch or advisory exists.
