Microsoft Edge (Chromium) < 152.0.4191.66 Multiple Vulnerabilities

critical Nessus Plugin ID 344899

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 152.0.4191.66. It is, therefore, affected by multiple vulnerabilities as referenced in the September 11, 2026 advisory.

- Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium) (CVE-2026-87491)

- Use after free in DevTools in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High) (CVE-2026-85042)

- Incomplete cleanup in Network in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to bypass system access restrictions via crafted network traffic. (Chromium security severity: High) (CVE-2026-85043)

- Race condition in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High) (CVE-2026-85045)

- Use after free in Compositing in Google Chrome prior to 152.0.7977.82 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page.
(Chromium security severity: High) (CVE-2026-85048)

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 152.0.4191.66 or later.

See Also

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85042

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85043

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85045

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85048

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85049

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85051

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85052

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85053

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87491

http://www.nessus.org/u?ff13915e

Plugin Details

Severity: Critical

ID: 344899

File Name: microsoft_edge_chromium_152_0_4191_66.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 9/11/2026

Updated: 9/11/2026

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: Critical

Score: 9.5

Percentile: 99.86

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2026-87491

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.9

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:F/RL:O/RC:C

CVSS Score Source: CVE-2026-85042

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: 9/11/2026

Vulnerability Publication Date: 9/3/2026

CISA Known Exploited Vulnerability Due Dates: 9/23/2026

Reference Information

CVE: CVE-2026-85042, CVE-2026-85043, CVE-2026-85045, CVE-2026-85048, CVE-2026-85049, CVE-2026-85051, CVE-2026-85052, CVE-2026-85053, CVE-2026-87491