Windows 10 antivirus needs urgent patching after this flaw was found Windows 10

A new zero-day exploit has been discovered affecting Windows 10, alongside a number of other vulnerabilities affecting the Windows operating system. Perhaps the most worrying bug is being tracked as CVE-2021-1647, and is a remote code execution vulnerability that works by tricking users into opening a malicious document on a system where an infected version of Microsoft Defender is installed.

Microsoft has moved quickly to patch the security flaw, issuing a fix for a vulnerable version of the Microsoft Malware Protection Engine. The Redmond-based firm has also confirmed that a proof-of-concept for this particular zero-day exploit is already available, although the company has not been able to verify its efficacy.