KLA12153
Multiple vulnerabilities in Microsoft Browser

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service.

Below is a complete list of vulnerabilities:

1. Out of bounds memory access in V8 can be exploited to cause denial of service or execute arbitrary code.
2. Heap buffer overflow in V8 can be exploited to cause denial of service or execute arbitrary code.
3. Integer overflow in Mojo can be exploited to cause denial of service or execute arbitrary code.
4. Type Confusion in V8 can be exploited to cause denial of service or execute arbitrary code.
5. Use after free in navigation can be exploited to cause denial of service or execute arbitrary code.

The following public exploits exists for this vulnerability:

https://github.com/lnfernal/CVE-2021-21224

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

Microsoft Edge (Chromium-based)

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)
Microsoft Edge update settings