Multiple vulnerabilities were found in Microsoft Internet Explorer and Edge. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges.

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. A memory corruption vulnerability in Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.
3. An information disclosure vulnerability in Microsoft Edge based on Edge HTML can be exploited remotely via specially crafted content to obtain sensitive information.
4. An information disclosure vulnerability in Scripting Engine can be exploited remotely via specially crafted content to obtain sensitive information.
5. An information disclosure vulnerability in Microsoft Browser can be exploited remotely via specially crafted content to obtain sensitive information.
6. An information disclosure vulnerability in Internet Explorer can be exploited remotely via specially crafted content to obtain sensitive information.
7. A memory corruption vulnerability in Microsoft Browser can be exploited remotely via specially crafted website to obtain sensitive information.
8. A memory corruption vulnerability in Scripting Engine can be exploited remotely via specially crafted website to obtain sensitive information.
9. An elevation of privilege vulnerability in Internet Explorer can be exploited remotely via IMPORTANTTHING to gain privileges.
10. A memory corruption vulnerability in Scripting Engine can be exploited remotely via IMPORTANTTHING to execute arbitrary code.

ChakraCore
Microsoft Edge (EdgeHTML-based)
Internet Explorer 10
Internet Explorer 9
Internet Explorer 11

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

CVE-2018-0872
CVE-2018-0873
CVE-2018-0874
CVE-2018-0876
CVE-2018-0879
CVE-2018-0889
CVE-2018-0891
CVE-2018-0893
CVE-2018-0927
CVE-2018-0929
CVE-2018-0930
CVE-2018-0931
CVE-2018-0932
CVE-2018-0933
CVE-2018-0934
CVE-2018-0935
CVE-2018-0936
CVE-2018-0937
CVE-2018-0939
CVE-2018-0942
CVE-2018-0925

4088782
4088787
4088786
4088779
4089187
4088877
4088875
4088776
4088876
4096040

The following public exploits exists for this vulnerability:

https://www.exploit-db.com/exploits/44312

https://www.exploit-db.com/exploits/44396

https://www.exploit-db.com/exploits/44397

https://www.exploit-db.com/exploits/44404