CVE-2020-16009

Name: CVE-2020-16009
Creator: NVD / NIST
Published: 2020-11-03T03:15:15.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 48.57%

Last modified Jun 17, 2026

CVE-2020-16009 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.. CISA has confirmed active exploitation in the wild. EPSS estimates a 48.57% chance of exploitation in the next 30 days.

Description

Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

48.57%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 3, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Cefsharp	Cefsharp	< 86.0.241	—
Google	Chrome	< 86.0.4240.183	—
Microsoft	Edge	< 86.0.622.63	—
Microsoft	Edge Chromium	< 86.0.4240.183	—
Opensuse	Backports Sle	15.0	Sp1
Opensuse	Leap	15.1	—
Opensuse	Leap	15.2	—
Fedoraproject	Fedora	32	—
Fedoraproject	Fedora	33	—
Debian	Debian Linux	10.0	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlBroken Link, Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00017.htmlBroken Link, Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/159974/Chrome-V8-Turbofan-Type-Confusion.htmlExploit, Third Party Advisory, VDB Entry
https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://crbug.com/1143772Exploit, Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S4XYJ7B6OXHZNYSA5J3DBUOFEC6WCAGW/Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/Release Notes
https://security.gentoo.org/glsa/202011-12Third Party Advisory
https://www.debian.org/security/2021/dsa-4824Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlBroken Link, Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00017.htmlBroken Link, Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/159974/Chrome-V8-Turbofan-Type-Confusion.htmlExploit, Third Party Advisory, VDB Entry
https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://crbug.com/1143772Exploit, Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S4XYJ7B6OXHZNYSA5J3DBUOFEC6WCAGW/Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/Release Notes
https://security.gentoo.org/glsa/202011-12Third Party Advisory
https://www.debian.org/security/2021/dsa-4824Mailing List, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-16009US Government Resource

Timeline

Published: Nov 3, 2020
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-16009?

Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

How severe is CVE-2020-16009?

CVE-2020-16009 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 48.57% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2020-16009?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-16009?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST