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Microsoft 0-day feud escalates as researcher threatens another exploit dump

Disgruntled 0-day hunter 'humiliated' by Microsoft pledges 'bone shattering drop' as Redmond calls cops

theregister.com

May 29, 2026

3 min read

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61/100

Summary

A disgruntled 0-day hunter has threatened to release a significant Windows exploit after feeling humiliated by Microsoft. Microsoft has responded by involving law enforcement in the escalating situation.

Key Takeaways

A disgruntled 0-day hunter has threatened to release another Windows exploit after feeling humiliated by Microsoft's response to a previous incident.
Microsoft has involved law enforcement in the escalating feud with the researcher.
The researcher claims to have a "bone shattering drop" of exploits ready for release.
The situation highlights tensions between security researchers and major tech companies regarding vulnerability disclosures.

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Microsoft 0-day feud escalates as researcher threatens another exploit dump ↗

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Community Sentiment

Negative

Positives

The ongoing discussion highlights the critical role of security researchers in holding corporations accountable, emphasizing the need for better treatment and recognition of their contributions.
There is a growing call for more robust protections for security researchers, indicating a shift towards valuing ethical disclosure practices in the tech industry.

Concerns

Microsoft's handling of the bounty program and the subsequent response to the researcher raises serious ethical concerns, suggesting a lack of accountability and transparency.
The existence of a backdoor that Microsoft needs for management purposes undermines security, indicating a significant risk for corporate users and a failure in software integrity.
Criticism of Microsoft's denial and the perceived exploitation of researchers reflects a broader frustration with corporate practices that prioritize profit over security and ethical responsibility.