CVE-2022-4262

Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a…

High8.8Known exploitedEPSS 23.5%

Published: 2 Dec 2022
Updated: 21 Oct 2025
Reserved: 2 Dec 2022
Assigned by: Chrome

Description

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)

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Google Chromium V8 Type Confusion Vulnerability.

Added: 5 Dec 2022
Fix due (US federal): 26 Dec 2022
Used by ransomware: Not known

Apply updates per vendor instructions.

Scores

CVSS scores of CVE-2022-4262, by who scored it
Scored by	CVSS	Score	Vector
CISA-ADPADP (enrichment)	3.1	High8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVDNVD · Analyzed	3.1	High8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (exploitation in 30 days): 23.5% · top 2.2% of all CVEs (6 Nov 2026)
CISA SSVC: Exploitation: active · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

Google · Chrome
- affected unspecified – < 108.0.5359.94

References (3)

https://chromereleases.googleblog.com/2022/12/stable-channel-update-for-desktop.html (opens in a new tab)x_transferred
https://crbug.com/1394403 (opens in a new tab)x_transferred
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-4262 (opens in a new tab)government-resource

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2022-4262](https://trackcve.app/badge/CVE-2022-4262.svg)](https://trackcve.app/cve/CVE-2022-4262)

Record last updated 21 Oct 2025, 23:15 UTC.