A recent issue has arisen where Microsoft Defender is mistakenly flagging popular hardware monitoring applications from vendors like Razer and SteelSeries as malware. This is due to concerns regarding a driver called HackTool:Win32/Winring0, linked to the WinRing0x64.sys system driver, which is essential for these applications. The developer of the FanControl application acknowledged that the WinRing0x64.sys driver has a known vulnerability, CVE-2020-14979, that has not been addressed. Razer has implemented a patch to eliminate the use of this driver in its Synapse software. Users may need to contact vendors for updates or choose between ignoring Defender's warnings or discontinuing use of the applications.