Mozilla Firefox < 158.0

critical Nessus Plugin ID 365314

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Synopsis

A web browser installed on the remote Windows host is affected by multiple vulnerabilities.

Description

The version of Firefox installed on the remote Windows host is prior to 158.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-106 advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Mozilla Firefox version 158.0 or later.

Plugin Details

Severity: Critical

ID: 365314

File Name: mozilla_firefox_158_0.nasl

Version: 1.2

Type: Local

Agent: windows

Family: Windows

Published: 10/13/2026

Updated: 10/14/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7

Percentile: 98.06

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-109707

Vulnerability Information

CPE: cpe:/a:mozilla:firefox

Required KB Items: installed_sw/Mozilla Firefox

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2026

Vulnerability Publication Date: 10/13/2026

Reference Information

CVE: CVE-2026-109704, CVE-2026-109705, CVE-2026-109706, CVE-2026-109707, CVE-2026-109708, CVE-2026-109709, CVE-2026-109710, CVE-2026-109711, CVE-2026-109712, CVE-2026-109713, CVE-2026-109714, CVE-2026-109715, CVE-2026-109716, CVE-2026-109717, CVE-2026-109718, CVE-2026-109719, CVE-2026-109720, CVE-2026-109721, CVE-2026-109722, CVE-2026-109723, CVE-2026-109724, CVE-2026-109725, CVE-2026-109726, CVE-2026-109727, CVE-2026-109728, CVE-2026-109729, CVE-2026-109730, CVE-2026-109731, CVE-2026-109732, CVE-2026-109733, CVE-2026-109734, CVE-2026-109735, CVE-2026-109736, CVE-2026-109737, CVE-2026-109738, CVE-2026-109739, CVE-2026-109740, CVE-2026-109741, CVE-2026-109742, CVE-2026-109743, CVE-2026-109744, CVE-2026-109745, CVE-2026-109746, CVE-2026-109747, CVE-2026-109748, CVE-2026-109749, CVE-2026-109750, CVE-2026-109751, CVE-2026-109752, CVE-2026-109753, CVE-2026-109754, CVE-2026-109755, CVE-2026-109756, CVE-2026-109757, CVE-2026-109759, CVE-2026-109760, CVE-2026-109761, CVE-2026-109762, CVE-2026-109763, CVE-2026-109764, CVE-2026-109765, CVE-2026-109766, CVE-2026-109767, CVE-2026-109768, CVE-2026-109769, CVE-2026-109770, CVE-2026-109771, CVE-2026-109772, CVE-2026-109773, CVE-2026-109774, CVE-2026-109775, CVE-2026-109776, CVE-2026-109777, CVE-2026-109778, CVE-2026-109779, CVE-2026-109780, CVE-2026-109781

Detections

Analytics