KLA12495
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, gain privileges, spoof user interface.

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in Portals can be exploited to cause denial of service or execute arbitrary code.
2. Implementation vulnerability in Web Share API can be exploited to cause denial of service.
3. Use after free in WebRTC vulnerability can be exploited to cause denial of service or execute arbitrary code.
4. Insufficient validation of untrusted input in WebOTP can be exploited to cause denial of service.
5. An elevation of privilege vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to gain privileges.
6. Implementation vulnerability in Resource Timing can be exploited to cause denial of service.
7. Use after free vulnerability in Extensions can be exploited to cause denial of service or execute arbitrary code.
8. Use after free vulnerability in QR Code Generator can be exploited to cause denial of service or execute arbitrary code.
9. Implementation in Extensions can be exploited to cause denial of service.
10. Use after free vulnerability in Tab Strip can be exploited to cause denial of service or execute arbitrary code.
11. Implementation vulnerability in Background Fetch API can be exploited to cause denial of service.
12. A spoofing vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to spoof user interface.
13. Use after free vulnerability in Shopping Cart can be exploited to cause denial of service or execute arbitrary code.
14. Implementation vulnerability in Web Cursor can be exploited to cause denial of service.
15. Heap buffer overflow vulnerability in WebUI can be exploited to cause denial of service.
16. Type confusion vulnerability in V8 can be exploited to cause denial of service.
17. Use after free vulnerability in Cast UI can be exploited to cause denial of service or execute arbitrary code.
18. Implementation vulnerability in Full Screen Mode can be exploited to cause denial of service.

Microsoft Edge (Chromium-based)

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