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Mystery Microsoft bug leaker keeps the zero-days coming

BACKGROUND
4 SIGNALSFIRST DETECTED 14 May 2026
Narrative synthesis pending — 4 signals collected.
How the story developed
14 Jul
27 Jun
Anonymous GitHub account mass-dropping undisclosed 0-days
REPORT · WHAT · Hacker News Best (RSS)
14 May
Mystery Microsoft bug leaker keeps the zero-days coming
REPORT · WHAT · Hacker News Best (RSS)
7.8
Other feeds and industry voices
28 May
GitHub bans security researcher who posted zero-day Windows exploits

<a href="https://news.ycombinator.com/item?id=48315968">Comments</a>

REPORT · WHO · Hacker News Best (RSS)OPEN STORY
17 May
Security researcher says Microsoft built a Bitlocker backdoor, releases exploit

<a href="https://news.ycombinator.com/item?id=48168856">Comments</a>

REPORT · WHO · Hacker News Best (RSS)OPEN STORY
17 Jul
New Windows LegacyHive zero-day gives hackers admin privileges

A security researcher using the "Nightmare Eclipse" handle has released a Windows zero-day exploit dubbed LegacyHive that allows attackers to escalate privileges on up-to-date

REPORT · WHO · BleepingComputerOPEN STORY
12 Jun
Twenty One Zero-Days in FFmpeg

<a href="https://news.ycombinator.com/item?id=48510046">Comments</a>

REPORT · WHAT · Hacker News Best (RSS)OPEN STORY
28 Aug
Just the rumour of a bug is enough to find an exploit these days

<a href="https://news.ycombinator.com/item?id=49480466">Comments</a>

REPORT · HOW · Hacker News Best (RSS)OPEN STORY
18 May
MiniPlasma Windows 0-Day Enables SYSTEM Privilege Escalation on Fully Patched Systems

Chaotic Eclipse, the security researcher behind the recently disclosed Windows flaws, YellowKey and GreenPlasma, has released a proof-of-concept (PoC) for a Windows privilege

REPORT · WHO · The Hacker NewsOPEN STORY
30 May
Microsoft is threatening legal action for disclosing exploits

Microsoft is facing criticism for its handling of zero-day exploits. Someone going by the name Nightmare Eclipse has been publicly feuding with the company, posting

REPORT · WHO · The Verge TechOPEN STORY
28 May
Microsoft Slams Public Zero-Day Disclosures Amid GitHub Researcher Account Removal

Microsoft has come out strongly in favor of Coordinated Vulnerability Disclosure (CVD), urging the research community to share their findings and give affected vendors an

REPORT · WHO · The Hacker NewsOPEN STORY
Sources
Hacker News Best (RSS)×4

NewsHive monitors these sources continuously. All signal titles above link to the original reporting.

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