Microsoft Edge (Chromium) < 149.0.4022.80 Multiple Vulnerabilities

critical Nessus Plugin ID 321541

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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 149.0.4022.80. It is, therefore, affected by multiple vulnerabilities as referenced in the June 19, 2026 advisory.

- Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High) (CVE-2026-12466)

- Use after free in DigitalCredentials in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity:
Critical) (CVE-2026-12440)

- Use after free in WebShare in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
(Chromium security severity: Critical) (CVE-2026-12437)

- Use after free in Digital Credentials in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical) (CVE-2026-12439)

- Use after free in File Input in Google Chrome on Linux prior to 149.0.7827.155 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical) (CVE-2026-12441)

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 149.0.4022.80 or later.

Plugin Details

Severity: Critical

ID: 321541

File Name: microsoft_edge_chromium_149_0_4022_80.nasl

Version: 1.5

Type: Local

Agent: windows

Family: Windows

Published: 6/19/2026

Updated: 7/24/2026

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: 7.6

Percentile: 98.44

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-12466

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-2026-12440

Vulnerability Information

CPE: cpe:/a:microsoft:edge

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2026

Vulnerability Publication Date: 6/18/2026

Reference Information

CVE: CVE-2026-12437, CVE-2026-12439, CVE-2026-12440, CVE-2026-12441, CVE-2026-12443, CVE-2026-12444, CVE-2026-12445, CVE-2026-12446, CVE-2026-12447, CVE-2026-12449, CVE-2026-12451, CVE-2026-12452, CVE-2026-12453, CVE-2026-12454, CVE-2026-12455, CVE-2026-12456, CVE-2026-12457, CVE-2026-12458, CVE-2026-12459, CVE-2026-12460, CVE-2026-12461, CVE-2026-12462, CVE-2026-12463, CVE-2026-12464, CVE-2026-12465, CVE-2026-12466, CVE-2026-12467, CVE-2026-12468

Detections

Analytics