CVE-2025-3500

9.0 CRITICAL

Published: December 01, 2025 Modified: February 06, 2026

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.

AI Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: security@nortonlifelock.com

Not Applicable

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.0 / 10.0

EPSS (Exploit Probability)

0.0%

11th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-190

Affected Vendors

microsoft avast

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