Microsoft is urging Windows users to immediately install an update after security researchers found a serious vulnerability in the operating system. The security flaw, known as PrintNightmare, affects ...

A well-known Russian advanced persistent threat (APT) group has been using a custom tool to exploit a bug that been around for several years in the Windows Print Spooler service to elevate privileges ...

An emergency patch that Microsoft issued on Tuesday fails to fully fix a critical security vulnerability in all supported versions of Windows that allows attackers to take control of infected systems ...

The Russia-backed advanced persistent threat (APT) operation tracked as Forest Blizzard by Microsoft – but more commonly known as Fancy Bear or APT28 – is exploiting a two-year-old vulnerability in ...

Microsoft warns that the Russian APT28 threat group exploits a Windows Print Spooler vulnerability to escalate privileges and steal credentials and data using a previously unknown hacking tool called ...

Microsoft released another giant security bulletin for its September Patch Tuesday, repairing 11 vulnerabilities with nine updates in Windows and Microsoft Office, including a critical zero-day flaw ...