Multiple vulnerabilities in Microsoft Browser

Description

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

Below is a complete list of vulnerabilities:

1. An use after free in Garbage Collection can be exploited to cause denial of service or execute arbitrary code.
2. Inappropriate implementation in Sandbox can be exploited to cause denial of service.
3. Heap buffer overflow vulnerability in Blink can be exploited to cause denial of service.
4. Heap buffer overflow vulnerability in WebRTC can be exploited to cause denial of service.

Original advisories

• CVE-2021-37978

• CVE-2021-37980
• CVE-2021-37979
• CVE-2021-37977

Exploitation

Public exploits exist for this vulnerability.

Related products

• Microsoft-Edge

CVE list

• CVE-2021-37978
  critical
• CVE-2021-37979
  critical
• CVE-2021-37977
  critical
• CVE-2021-37980
  high

KB list

Read more

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