Actively exploited · Published Dec 2, 2022 · Assigned by Chrome

CVE-2022-4262

High 8.8 Exploited

In plain English

A high-severity type confusion in Chrome from Google. Attackers are actively exploiting it in the wild (listed by CISA on December 5, 2022). The chance it is exploited in the next 30 days is estimated at 23.5% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)23.5%top 2.2% of all CVEs
Exploited in the wildYesCISA KEV since Dec 5, 2022
Attack tooling1Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Dec 26, 2022.

Official 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)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20qt5-qtwebengine5.15.11-r9ALPINE-CVE-2022-4262
Alpine:v3.21qt5-qtwebengine5.15.11-r9ALPINE-CVE-2022-4262
Alpine:v3.22qt5-qtwebengine5.15.11-r9ALPINE-CVE-2022-4262
Alpine:v3.23qt5-qtwebengine5.15.11-r9ALPINE-CVE-2022-4262
Debian:12chromium108.0.5359.94-1DEBIAN-CVE-2022-4262
Debian:13chromium108.0.5359.94-1DEBIAN-CVE-2022-4262
Debian:14chromium108.0.5359.94-1DEBIAN-CVE-2022-4262

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 108.0.5359.94

Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References