KLA10858
Multiple vulnerabilities in Microsoft Edge and Internet Explorer

Multiple serious vulnerabilities have been found in Microsoft Internet Explorer and Edge. Malicious users can exploit these vulnerabilities to execute arbitrary code or obtain sensitive information.

Below is a complete list of vulnerabilities

1. An improper memory objects handling can be exploited remotely via a specially designed content to execute arbitrary code or obtain sensitive information;
2. An improper page content handling can be exploited remotely via a specially designed content to obtain sensitive information;
3. An improper memory objects handling at Chakra JavaScript engine can be exploited remotely via a specially designed content to execute arbitrary code.

Technical details

To mitigate vulnerability №1 remove Microsoft EDGE from the PDF reader default file type association

To exploit vulnerability №2 an attacker must have valid logon credentials and be able to log on locally

Microsoft Internet Explorer versions 9 through 11
Microsoft Edge

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)