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Microsoft just rushed patches for two Defender zero-days code-named 'RedSun' and 'UnDefend' — both already being exploited right now on Windows devices
Microsoft pushed emergency patches this week for two zero-day vulnerabilities in Windows Defender, the antivirus software ...
Microsoft pushed out-of-band patches on May 21, 2026, for two actively exploited Windows Defender zero-days — one that lets a ...
Microsoft patched two actively exploited Defender zero-days affecting Windows systems and security components.
It doesn't require a lot of effort.
A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...
Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. There are a number of antivirus, anti-malware, and internet ...
Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why.
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