CVE-2021-4102
Google Chromium V8 Use-After-Free Vulnerability
- High 8.8
- Exploited: added to CISA KEV 15 Dec 2021
Description
Use after free in V8 in Google Chrome prior to 96.0.4664.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Key facts
- Published
- 11 Feb 2022
- Last changed
- 21 Oct 2025
- Assigned by
- Chrome
- KEV added
- 15 Dec 2021
- KEV fix due
- 29 Dec 2021
- EPSS
- 7.836% likely to be exploited in the next 30 days, higher than 94.77% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 8.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Chrome |
|
Timeline
- 15 Dec 2021 CVE-2021-4102 added to CISA KEV
- 15 Dec 2021 Added to the CISA KEV catalogue
- 11 Feb 2022 Published