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, spoof user interface.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to execute arbitrary code.
2. Use after free vulnerability in V8 can be exploited to cause denial of service or execute arbitrary code.
3. A spoofing vulnerability in Microsoft Edge for IOS and Android can be exploited remotely to spoof user interface.
4. A spoofing vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to spoof user interface.
5. Use after free vulnerability in Skia can be exploited to cause denial of service or execute arbitrary code.
6. Inappropriate implementation vulnerability in Extensions API can be exploited to cause denial of service.

Original advisories

• CVE-2025-21283

• CVE-2025-21408
• CVE-2025-0445
• CVE-2025-21253
• CVE-2025-21267
• CVE-2025-0444
• CVE-2025-21404
• CVE-2025-21279
• CVE-2025-21342
• CVE-2025-0451

Exploitation

Public exploits exist for this vulnerability.

Related products

• Microsoft-Edge

CVE list

• CVE-2025-0444
  high
• CVE-2025-0445
  high
• CVE-2025-0451
  high
• CVE-2025-21283
  critical
• CVE-2025-21408
  critical
• CVE-2025-21253
  high
• CVE-2025-21267
  warning
• CVE-2025-21404
  warning
• CVE-2025-21279
  critical
• CVE-2025-21342
  critical

KB list

Read more

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