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CVE-2025-3500

Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 25.3
1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Avast Antivirus

    From 25.1.981.6 · fixed in 25.3

References 2

gendigital.com

GitHub · chicken3962/CVE-2025-3500-Poc