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.

Below is a complete list of vulnerabilities:

1. Implementation vulnerability in FileSystemAccess API can be exploited to cause denial of service.
2. Implementation vulnerability in Messages can be exploited to cause denial of service.
3. Implementation vulnerability in BFCache can be exploited to cause denial of service.
4. Implementation vulnerability in Background Fetch can be exploited to cause denial of service.
5. Implementation vulnerability in Tab Strip can be exploited to cause denial of service.
6. Use after free vulnerability in Compositing can be exploited to cause denial of service or execute arbitrary code.
7. Use after free vulnerability in media can be exploited to cause denial of service or execute arbitrary code.
8. Type confusion vulnerability in V8 can be exploited to cause denial of service.

Original advisories

• CVE-2025-5065

• CVE-2025-5066
• CVE-2025-5281
• CVE-2025-5064
• CVE-2025-5067
• CVE-2025-5063
• CVE-2025-5283
• CVE-2025-5280

Exploitation

Public exploits exist for this vulnerability.

Related products

• Microsoft-Edge

CVE list

• CVE-2025-5067
  high
• CVE-2025-5065
  high
• CVE-2025-5063
  critical
• CVE-2025-5066
  high
• CVE-2025-5064
  high
• CVE-2025-5280
  critical
• CVE-2025-5281
  high
• CVE-2025-5283
  high

KB list

Read more

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