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5 Windows Defender settings I change ASAP on any new PC

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.
ZDNet

These 5 critical Windows Defender settings are off by default - turn them on ASAP

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Bleeping Computer

Microsoft warns of new Defender zero-days exploited in attacks

Update May 25, 04:19 EDT: CVE-2026-41091 is a Microsoft Defender local privilege escalation (LPE) flaw known as RedSun, and CVE-2026-45498 is known as UnDefend, a security flaw that can be exploited ...