Mozilla Firefox < 152.0.6

medium Nessus Plugin ID 326752

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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 152.0.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-67 advisory.

- We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. (CVE-2026-15718, CVE-2026-15719)

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 152.0.6 or later.

Plugin Details

Severity: Medium

ID: 326752

File Name: mozilla_firefox_152_0_6.nasl

Version: 1.5

Type: Local

Agent: windows

Family: Windows

Published: 7/14/2026

Updated: 7/31/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.13

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-15719

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: cpe:/a:mozilla:firefox

Required KB Items: installed_sw/Mozilla Firefox

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/14/2026

Vulnerability Publication Date: 7/14/2026

Reference Information

CVE: CVE-2026-15718, CVE-2026-15719

IAVA: 2026-A-0695, 2026-A-0755

Detections

Analytics