Junglewise Threat Intelligence

CVE-2025-3500: Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antiv

CVE-2025-3500 · Severity: critical · CVSS 9 · Published 2025-12-01

Technologies: Microsoft Windows. Vendors: Microsoft.

Executive brief

Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3.

Affected products

  • Microsoft Windows

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