Mystery Microsoft Bug Leaker Keeps the Zero-Days Coming (theregister.com)

• Anonymous researcher continuously leaks Windows zero-days.
• Latest bug in Windows kernel; no patch available yet.
• Leaker's identity unknown, possibly an insider.

"An anonymous researcher continues to leak unpatched Microsoft zero-day vulnerabilities, with the latest affecting the Windows kernel. Microsoft has acknowledged the issue but has not yet released a patch. The leaker's identity remains unknown."