Microsoft Edge (Chromium) < 157.0.4341.42 Multiple Vulnerabilities

critical Nessus Plugin ID 379264

Synopsis

The remote host has an web browser installed that is affected by multiple vulnerabilities.

Description

The version of Microsoft Edge installed on the remote Windows host is prior to 157.0.4341.42. It is, therefore, affected by multiple vulnerabilities as referenced in the November 11, 2026 advisory.

- Use after free in Browser in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low) (CVE-2026-121189)

- Use after free in PictureInPicture in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page.
(Chromium security severity: High) (CVE-2026-121185)

- Incorrect authorization in Isolated in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Low) (CVE-2026-121172)

- Type confusion in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High) (CVE-2026-121078)

- Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium) (CVE-2026-121183)

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 Microsoft Edge version 157.0.4341.42 or later.

Plugin Details

Severity: Critical

ID: 379264

File Name: microsoft_edge_chromium_157_0_4341_42.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 11/11/2026

Updated: 11/11/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 92.82

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-121189

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.6

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:edge

Required KB Items: SMB/Registry/Enumerated, installed_sw/Microsoft Edge (Chromium)

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/11/2026

Vulnerability Publication Date: 11/3/2026

Reference Information

CVE: CVE-2026-121067, CVE-2026-121068, CVE-2026-121069, CVE-2026-121070, CVE-2026-121071, CVE-2026-121072, CVE-2026-121073, CVE-2026-121075, CVE-2026-121076, CVE-2026-121077, CVE-2026-121078, CVE-2026-121079, CVE-2026-121080, CVE-2026-121081, CVE-2026-121082, CVE-2026-121083, CVE-2026-121084, CVE-2026-121085, CVE-2026-121086, CVE-2026-121087, CVE-2026-121088, CVE-2026-121089, CVE-2026-121091, CVE-2026-121092, CVE-2026-121093, CVE-2026-121163, CVE-2026-121164, CVE-2026-121165, CVE-2026-121166, CVE-2026-121167, CVE-2026-121168, CVE-2026-121169, CVE-2026-121170, CVE-2026-121171, CVE-2026-121172, CVE-2026-121174, CVE-2026-121175, CVE-2026-121176, CVE-2026-121178, CVE-2026-121179, CVE-2026-121180, CVE-2026-121181, CVE-2026-121182, CVE-2026-121183, CVE-2026-121184, CVE-2026-121185, CVE-2026-121187, CVE-2026-121188, CVE-2026-121189, CVE-2026-121190

Detections

Analytics