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, spoof user interface.

Below is a complete list of vulnerabilities:

1. Out of bounds memory access vulnerability in FedCM can be exploited to cause denial of service.
2. Type confusion vulnerability in V8 can be exploited to cause denial of service.
3. Security UI vulnerability in BFCache can be exploited to spoof user interface.
4. Use after free vulnerability in Networks can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• CVE-2023-4761

• CVE-2023-4762
• CVE-2023-4764
• CVE-2023-4763

Exploitation

Public exploits exist for this vulnerability.

Related products

• Microsoft-Edge

CVE list

• CVE-2023-4761
  critical
• CVE-2023-4764
  high
• CVE-2023-4763
  critical
• CVE-2023-4762
  critical

KB list

Read more

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