Microsoft appears to have fixed a security flaw in Windows Defender that was exploiting the internet.
Η vulnerability implementationof remote code in Microsoft Defender (CVE-2021-1647) turned the Windows security application into an intruder, triggering malware when scanning for malware, instead of isolating and deleting it.
This means that if a file is sent via email or via a USB drive, it is downloaded to your computer or automatic scanning, rather than isolating it malware will activate it immediately.
Exploit has been fixed in Patch Tuesday of the 12th and was one of 80 defects encountered by Microsoft developers.
To check if you are currently protected, simply check the number versionof the scanning engine in the Windows Security application. Open the app and check in Settings – About.
From the release 1.1.17700.4 and above the application is secure.
At least until the next 0day.
