[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fnO2JLpT4g6GNWMY7h2FpeqsVvHN9NTnm7dOmXEv0h9A":3},{"article":4,"iocs":45,"watch_terms":49},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"full_text":11,"url":12,"image_url":13,"published_at":14,"ingested_at":15,"relevance_score":16,"entities":17,"category_id":30,"category":31,"article_tags":34},"4126395c-a4bc-4fba-9918-e14d0911cc99","'BlueHammer' Windows Zero-Day Exploit Signals Microsoft Bug Disclosure Issues","bluehammer-windows-zero-day-exploit-signals-microsoft-bug-disclosure-issues-53b2c4","Under the alias 'Chaotic Eclipse,' a researcher released a PoC exploit for a zero-day flaw that allows for system takeover by a local user, citing an undisclosed beef with Microsoft.","A security researcher operating under the alias 'Chaotic Eclipse' has publicly released a proof-of-concept exploit for a Windows zero-day vulnerability that enables local privilege escalation and system takeover. The researcher cited an undisclosed dispute with Microsoft as motivation for the disclosure. The 'BlueHammer' exploit highlights ongoing tensions around Microsoft's vulnerability disclosure practices and responsible reporting timelines.","Researcher releases PoC exploit for Windows zero-day under 'Chaotic Eclipse' alias.",null,"https:\u002F\u002Fwww.darkreading.com\u002Fvulnerabilities-threats\u002Fbluehammer-windows-exploit-microsoft-bug-disclosure-issues","https:\u002F\u002Feu-images.contentstack.com\u002Fv3\u002Fassets\u002Fblt6d90778a997de1cd\u002Fblt6c31ced607e735b5\u002F69d4f2975553ecd2bca00f8a\u002FHammernails_MichaelFlippo_Alamy.jpg?width=1280&auto=webp&quality=80&disable=upscale","2026-04-09T20:13:34+00:00","2026-04-09T22:00:21.602196+00:00",8,[18,21,24,27],{"name":19,"type":20},"Windows","product",{"name":22,"type":23},"Microsoft","vendor",{"name":25,"type":26},"Chaotic Eclipse","threat_actor",{"name":28,"type":29},"BlueHammer","campaign","574f766a-fb3f-487c-8d2c-0720ae75471b",{"id":30,"icon":11,"name":32,"slug":33},"Zero-day","zero-day",[35,40],{"category":36},{"id":37,"icon":11,"name":38,"slug":39},"80544778-fabb-4dcd-aa35-17492e5dcf4f","Vulnerabilities","vulnerabilities",{"category":41},{"id":42,"icon":11,"name":43,"slug":44},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[46],{"type":47,"value":28,"context":48},"malware","Windows zero-day exploit PoC released publicly",[22,19]]