KLA59919
Multiple vulnerabilities in Microsoft Browser

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

Below is a complete list of vulnerabilities:

1. Out of bounds memory access vulnerability in FedCM can be exploited to cause denial of service.
2. Type confusion vulnerability in V8 can be exploited to cause denial of service.
3. Security UI vulnerability in BFCache can be exploited to spoof user interface.
4. Use after free vulnerability in Networks can be exploited to cause denial of service or execute arbitrary code.

Public exploits exist for this vulnerability.

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

CVE-2023-4761
CVE-2023-4762
CVE-2023-4764
CVE-2023-4763