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CVE-2020-16040

88
FAUCET Score

CVE-2020-16040 is a heap corruption vulnerability in Google Chrome's V8 JavaScript engine, affecting versions prior to 87.0.4280.88 due to insufficient data validation. This medium-severity vulnerability (CVSS 6.5) can be exploited by a remote attacker via a crafted HTML page, potentially leading to a denial of service or arbitrary code execution. While not on CISA's KEV catalog, exploit code is publicly available, including a Metasploit module and an ExploitDB entry, indicating a high likelihood of exploitation. The vulnerability has garnered significant community attention and media coverage, highlighting its potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
< 87.0.4280.88CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.59%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Google Chrome versions before 87.0.4280.88 integer overflow during SimplfiedLowering phase · Nov 19, 2020
ExploitDB: EDB-49745 · Apr 6, 2021
This CVE's current EPSS score of 0.9960 is in the 100th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

googlevendor investigatingvia nvd_reference
View patch

References

packetstormsecurity.com / files/162087/Google-Chrome-86.0.4240-V8-Remote-Code-Execution.html
Broken Link
packetstormsecurity.com / files/162106/Google-Chrome-86.0.4240-V8-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/162144/Google-Chrome-SimplfiedLowering-Integer-Overflow.html
ExploitThird Party Advisory
chromereleases.googleblog.com / 2020/12/stable-channel-update-for-desktop.html
Release NotesVendor Advisory
crbug.com / 1150649
Issue TrackingPatchVendor Advisory