CVE-2025-3500

CRITICAL EPSS 36.9%
Published Dec 1, 20257mo ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Dec 1, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
36.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 2

VendorProductVersionRange
avastantivirus*≥25.1.981.6  –  <25.3
microsoftwindows*any

References 1

  • gendigital.com https://www.gendigital.com/us/en/contact-us/security-advisories/
    Not Applicable

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.