Multiple serious vulnerabilities were found in Microsoft Browsers. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges, spoof user interface.

Below is a complete list of vulnerabilities:

1. A memory corruption vulnerability in Chakra Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.
2. An information disclosure vulnerability in Microsoft Edge can be exploited remotely via specially crafted content to obtain sensitive information.
3. An elevation of privilege vulnerability in Microsoft Edge can be exploited remotely via specially crafted content to gain privileges.
4. A spoofing vulnerability in Microsoft Edge can be exploited remotely via specially crafted website to spoof user interface.
5. A memory corruption vulnerability in Windows Scripting Engine can be exploited remotely to obtain sensitive information.
6. A memory corruption vulnerability in Internet Explorer can be exploited remotely via specially crafted website to execute arbitrary code.

Microsoft Edge
ChakraCore
Internet Explorer 11
Internet Explorer 9
Internet Explorer 10

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

4467680
4467708
4467691
4467702
4467686
4467696
4467701
4467697
4466536
4467107

The following public exploits exists for this vulnerability:

https://www.exploit-db.com/exploits/45924