P4Verified

CVE-2025-71326: AVAST Antivirus 25.11

CVE-2025-71326. CVSS 3.1 base score 7.8 (HIGH, Vendor/CNA). EPSS 0.00182 (percentile 0.07094), scored 2026-10-05.

Affected technology

AVAST Antivirus · 25.11
Avast

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · Low privileges required · No user interaction required

What an attacker can do

Local non-privileged users can execute code with elevated SYSTEM privileges. Vendor/CNA’s CVSS 4.0 assessment (base score 8.5/10) rates confidentiality, integrity and availability impact as high.

Published 2026-10-07 02:35:17.900814+00:00

CWE: CWE-428
CCR priority: 31.2 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00182 · percentile 0.07094 · 2026-10-05
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 02:34:12.333111+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-71326.html