KLA11771 Multiple vulnerabilities in Microsoft Internet Explorer and Edge

Multiple vulnerabilities were found in Microsoft Internet Explorer and Edge. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, spoof user interface.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in MSHTML Engine can be exploited remotely via specially crafted file to execute arbitrary code.
2. A memory corruption vulnerability in Scripting Engine can be exploited remotely to execute arbitrary code.
3. A memory corruption vulnerability in Internet Explorer can be exploited remotely via specially crafted website to execute arbitrary code.
4. An elevation of privilege vulnerability in Microsoft Edge can be exploited remotely via specially crafted content to gain privileges.
5. A remote code execution vulnerability in VBScript can be exploited remotely via specially crafted website to execute arbitrary code.
6. A remote code execution vulnerability in Microsoft Edge PDF can be exploited remotely via specially crafted to execute arbitrary code.
7. A spoofing vulnerability in Microsoft Edge can be exploited remotely via specially crafted website to spoof user interface.
8. A memory corruption vulnerability in Chakra Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.

Original advisories

CVE-2020-1064

CVE-2020-1065

CVE-2020-1062

CVE-2020-1056

CVE-2020-1060

CVE-2020-1096

CVE-2020-1059

CVE-2020-1058

CVE-2020-1093

CVE-2020-1092

CVE-2020-1035

CVE-2020-1037

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Internet-Explorer

Microsoft-Edge

ChakraCore

CVE list

CVE-2020-1064 critical

CVE-2020-1065 critical

CVE-2020-1062 critical

CVE-2020-1056 high

CVE-2020-1060 critical

CVE-2020-1096 critical

CVE-2020-1059 warning

CVE-2020-1058 critical

CVE-2020-1093 critical

CVE-2020-1092 critical

CVE-2020-1035 critical

CVE-2020-1037 critical

KB list

4556799

4556846

4556798

4556840

4556826

4556813

4556812

4551853

4556836

4556807

Solution

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

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Internet Explorer 11ChakraCoreMicrosoft Edge (EdgeHTML-based)Internet Explorer 9