KLA12249
Multiple vulnerabilities in Microsoft Browser

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

Below is a complete list of vulnerabilities:

1. Incorrect security UI vulnerability in Navigation can be exploited to obtain sensitive information and spoof user interface.
2. Out of bounds read vulnerability in Tab Strip can be exploited to cause denial of service or obtain sensitive information.
3. Use after free vulnerability in Browser UI can be exploited to cause denial of service or execute arbitrary code.
4. Use after free vulnerability in Page Info UI can be exploited to cause denial of service or execute arbitrary code.
5. Out of bounds write vulnerability in Tab Groups can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in File System API can be exploited to cause denial of service or execute arbitrary code.
7. Heap buffer overflow vulnerability in Bookmarks can be exploited to cause denial of service or execute arbitrary code.

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)

CVE-2021-30596
CVE-2021-30593
CVE-2021-30597
CVE-2021-30594
CVE-2021-30592
CVE-2021-30591
CVE-2021-30590