CVE-2025-3500

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 v3 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

26 Sep 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de desbordamiento de entero o ajuste circular en Avast Antivirus (25.1.981.6) en Windows permite la escalada de privilegios. Este problema afecta a Antivirus: desde 25.1.981.6 antes de 25.3.

Information

Published : 2025-12-01 16:15

Updated : 2026-09-26 00:10

NVD link : CVE-2025-3500

Mitre link : CVE-2025-3500

CVE.ORG link : CVE-2025-3500

JSON object : View

Products Affected

avast

antivirus

microsoft

windows

CWE

CWE-190

Integer Overflow or Wraparound

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