CVE-2025-3500CRITICAL 9.0EPSS p37.6%

CVE-2025-3500CVE-2025-3500

avast / antivirus

Description

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.

Scoring

CVSS 3.19.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS0.46% probability of exploitation · percentile 37.6% · 2026-10-05T12:00:23Z
Published2025-12-01
Last modified2026-09-26

Underlying weaknesses· 1

CWE-190

References

  1. https://www.gendigital.com/us/en/contact-us/security-advisories/

1

TypeTargetConfidenceTier
WeaknessInteger Overflow or Wraparoundcwe-1900%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.