The fix comes a week ahead of Microsoft’s normal monthly Patch Tuesday release, and follows the publishing of exploit code showing would-be attackers how to leverage the flaw to break into Windows computers.Īt issue is CVE-2021-34527, which involves a flaw in the Windows Print Spooler service that could be exploited by attackers to run code of their choice on a target’s system.
Microsoft on Tuesday issued an emergency software update to quash a security bug that’s been dubbed “ PrintNightmare,” a critical vulnerability in all supported versions of Windows that is actively being exploited.