CVE-2025-3500 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Avast	Antivirus
Microsoft	Windows

No data.

No data.

References

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

History

Mon, 01 Dec 2025 21:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Avast Avast antivirus Microsoft Microsoft windows
Vendors & Products		Avast Avast antivirus Microsoft Microsoft windows

Mon, 01 Dec 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mon, 01 Dec 2025 16:15:00 +0000

Type	Values Removed	Values Added
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.
Title		Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation
Weaknesses		CWE-190
References		https://www.gendigital.com/us/en/contact-us/security-advisories/
Metrics		cvssV3_1 `{'score': 9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: NLOK

Published: 2025-12-01T16:09:00.428Z

Updated: 2025-12-02T04:56:02.962Z

Reserved: 2025-04-10T12:24:59.884Z

Link: CVE-2025-3500

Vulnrichment

Updated: 2025-12-01T17:11:21.588Z

NVD

Status : Awaiting Analysis

Published: 2025-12-01T16:15:53.023

Modified: 2025-12-02T17:16:29.163

Link: CVE-2025-3500

Redhat

No data.

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