CISA has warned U.S. federal agencies to secure their systems against ongoing attacks targeting a high-severity Windows kernel vulnerability. [...]
source https://www.bleepingcomputer.com/news/security/windows-kernel-bug-now-exploited-in-attacks-to-gain-system-privileges/
source https://www.bleepingcomputer.com/news/security/windows-kernel-bug-now-exploited-in-attacks-to-gain-system-privileges/