CVE-2022-4262
KEVGoogle Chromium V8 Type Confusion Vulnerability
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.
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)
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedDec 2, 2022
Last modifiedJun 17, 2026
Added to KEVDec 5, 2022
Remediation dueDec 26, 2022
References
- chromereleases.googleblog.com/2022/12/stable-channel-update-for-desktop.htmlPatchRelease Notes
- crbug.com/1394403Permissions RequiredVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-4262US Government Resource
0 recent articles mention this CVE
76
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1401 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 23.5% · top 2% of all CVEs
- Weakness
- CWE-843
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.