Multiple vulnerabilities in Microsoft Browser

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.

Original advisories

• CVE-2021-21144

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

Related products

• Microsoft-Edge

CVE list

• CVE-2021-21142
  critical
• CVE-2021-21143
  critical
• CVE-2021-21144
  critical
• CVE-2021-21145
  critical
• CVE-2021-21147
  warning
• CVE-2021-21146
  critical
• CVE-2021-24113
  high

KB list

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com