KLA12064
Multiple vulnerabilities in Microsoft Browser

Updated: 03/28/2023
Detect date
?
02/04/2021
Severity
?
High
Description

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

Below is a complete list of vulnerabilities:

  1. Heap buffer overflow vulnerability in Tab Groups can be exploited to cause denial of service.
  2. Use after free vulnerability in Navigation can be exploited to cause denial of service and execute arbitrary code.
  3. A security feature bypass vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to bypass security restrictions.
  4. Heap buffer overflow vulnerability in Extensions can be exploited to cause denial of service.
  5. Implementation vulnerability in Skia can be exploited to potentially cause denial of service.
  6. Use after free vulnerability in Fonts can be exploited to cause denial of service and execute arbitrary code.
  7. Use after free vulnerability in Payments can be exploited to cause denial of service and execute arbitrary code.
Affected products

Microsoft Edge (Chromium-based)

Solution

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

Original advisories

CVE-2021-21144
CVE-2021-21146
CVE-2021-24113
CVE-2021-21143
CVE-2021-21147
CVE-2021-21145
CVE-2021-21142

Impacts
?
ACE 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Microsoft Edge
CVE-IDS
?
Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region