Is CVE-2022-4262 actively exploited?

Yes. CVE-2022-4262 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-4262 be exploited remotely?

The attack vector of CVE-2022-4262 has not been classified yet.

What is the CVSS score of CVE-2022-4262?

CVE-2022-4262 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-4262

HIGHCISA KEVIN THE WILD

CVE-2022-4262

Published: December 5, 2022

EPSS:6.35%probability of exploitation in 30 daysPercentile:90.8th

Official Description

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.

NVD Source

CISA KEV Advisory

Google Chromium V8 Type Confusion Vulnerability

Added to KEV: 2022-12-05Federal patch deadline: 2022-12-26

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This type confusion vulnerability in the Google Chromium V8 Engine allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This high-severity flaw affects multiple web browsers utilizing Chromium, including Google Chrome, Microsoft Edge, and Opera. It is urgent due to its presence in CISA's KEV catalog, confirming active exploitation, and has an EPSS score of 0.06353, indicating a moderate likelihood of exploitation.

This vulnerability is actively exploited in the wild and is listed in CISA's KEV catalog, confirming its use by attackers. It is remotely exploitable via a crafted HTML page.

Recommended Action

Update all affected web browsers that utilize the Chromium V8 Engine, such as Google Chrome, Microsoft Edge, and Opera, to their latest versions. Ensure automatic updates are enabled for web browsers to mitigate remote exploitation risks.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-4262 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-4262 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.