Microsoft has released security updates to address vulnerabilities in Internet Explorer 11 and Microsoft Defender. The updates include a cumulative security update for Internet Explorer. A remote attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft Security Advisories for CVE-2019-1367, CVE-2019-1255, and Microsoft’s Cumulative security update for Internet Explorer and apply the necessary updates. Review the notification at CISA