CVE-2022-4262: Google Chromium V8 Type Confusion Vulnerability

CISA Known Exploited Vulnerabilities

Name

Google Chromium V8 Type Confusion Vulnerability

Vendor

Google

Product

Chromium V8

Added to the catalog

2022-12-05

Due date for US federal agencies

2022-12-26

Weaknesses

CWE-122, CWE-843

Catalog version

2026.10.30

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required action (CISA)

Apply updates per vendor instructions.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://chromereleases.googleblog.com/2022/12/stable-channel-update-for-desktop.html
• https://nvd.nist.gov/vuln/detail/CVE-2022-4262

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2022-12-02T21:15:12.247

Last modified

2026-06-17T05:20:25.837

Weaknesses

CWE-843

Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

References

• https://chromereleases.googleblog.com/2022/12/stable-channel-update-for-desktop.html (Patch, Release Notes, Vendor Advisory)
• https://crbug.com/1394403 (Permissions Required, Vendor Advisory)
• https://chromereleases.googleblog.com/2022/12/stable-channel-update-for-desktop.html (Patch, Release Notes, Vendor Advisory)
• https://crbug.com/1394403 (Permissions Required, Vendor Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-4262 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:08.214Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2022-4262

CVE record

Assigner

Chrome

State

PUBLISHED

Published

2022-12-02T00:00:00.000Z

Updated

2025-10-21T23:15:30.490Z

Problem types

Type Confusion

Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

References

• https://chromereleases.googleblog.com/2022/12/stable-channel-update-for-desktop.html
• https://crbug.com/1394403

Read on 2026-11-03T02:01:57.620Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2022/4xxx/CVE-2022-4262.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/