Submitted via IRC for SoyCow3941
An unidentified hacker group appears to have accidentally exposed two fully-working zero-days when they've uploaded a weaponized PDF file to a public malware scanning engine.
Source: https://www.bleepingcomputer.com/news/security/shadowy-hackers-accidentally-reveal-two-zero-days-to-security-researchers/ [bleepingcomputer.com]