Microsoft Edge Security Update – 14 December 2025

Microsoft has released an updated version of Microsoft Edge in the stable channel, “143.0.3650.80” to address multiple vulnerabilities.

The addressed vulnerabilities could allow the attacker to conduct denial-of-service attacks, perform spoofing attacks, bypass security restrictions, obtain sensitive information, gain elevated privileges, or gain access to the affected systems.

Sample of the addressed vulnerabilities:

Microsoft Edge (Chromium-based) Out of bounds Memory Access in ANGLE Vulnerability (CVE-2025-14174):

  • CVSS: 8.8
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Consequences: Gain Access

It should be highlighted that Google is aware that the zero-day vulnerability “CVE- 2025-14174” is being exploited in the wild.

Vulnerabilities
  • CVE-2025-62223
  • CVE-2025-13630
  • CVE-2025-13631
  • CVE-2025-13632
  • CVE-2025-13633
  • CVE-2025-14373
  • CVE-2025-13634
  • CVE-2025-13635
  • CVE-2025-13636
  • CVE-2025-13637
  • CVE-2025-13638
  • CVE-2025-14372
  • CVE-2025-13639
  • CVE-2025-13640
  • CVE-2025-13720
  • CVE-2025-13721
  • CVE-2025-14174
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

Microsoft Edge Security Update

References