Microsoft says the RansomEXX ransomware gang has been exploiting a high-severity zero-day flaw in the Windows Common Log File System to gain SYSTEM privileges on victims' systems.

Microsoft today released updates to plug at least 121 security holes in its Windows operating systems and software, including one vulnerability that is already being exploited in the wild. Eleven of ...

Microsoft has patched a zero-day vulnerability affecting all supported versions of Windows, which researchers say hackers exploited to launch ransomware attacks. Microsoft said in a security alert on ...

Microsoft on Tuesday released software updates to fix at least 70 vulnerabilities in Windows and related products, including five zero-day flaws that are already seeing active exploitation. Adding to ...