CVE-2020-16040
MediumExploitedPublic exploitInsufficient data validation in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Published Jan 8, 2021 · Updated Aug 5, 2026 · Also known as DEBIAN-CVE-2020-16040, UBUNTU-CVE-2020-16040
Key Facts
Patch immediately- CVE-2020-16040 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Chrome (Google), chromium (arch), chromium-browser (ubuntu) and 5 more products.
- It is exploited in the wild, listed in Industry KEV feed since Jan 26, 2026. Public exploit code is available.
- EPSS estimates a 100% probability of exploitation in the next 30 days.
- Fixed versions are available, including Chrome 87.0.4280.88, chromedriver 87.0.4280.88-bp151.3.147.1, chromedriver 87.0.4280.88-bp152.2.44.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS (30-day exploit likelihood)
100%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-16040 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Insufficient data validation in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jan 26, 2026 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
31 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | >= unspecified | 87.0.4280.88 |
| chromiumarch | See advisory | 87.0.4280.88-1 |
| chromium-browserubuntu | See advisory | 89.0.4389.82-0ubuntu0.16.04.1 |
| nodejsphoton | See advisory | 16.20.0-1.ph3 |
| chromedriversuse | See advisory | 87.0.4280.88-lp151.2.162.1 |
Patched Releases
Chrome
87.0.4280.88
chromedriver
87.0.4280.88-bp151.3.147.1, 87.0.4280.88-bp152.2.44.1, 87.0.4280.88-lp151.2.162.1, 87.0.4280.88-lp152.2.57.1, 93.0.4577.82-1.1
chromium
87.0.4280.88-0.1, 87.0.4280.88-1, 87.0.4280.88-bp151.3.147.1, 87.0.4280.88-bp152.2.44.1, 87.0.4280.88-lp151.2.162.1, 87.0.4280.88-lp152.2.57.1, 93.0.4577.82-1.1
chromium-browser
89.0.4389.82-0ubuntu0.16.04.1, 89.0.4389.82-0ubuntu0.18.04.1
nodejs
16.20.0-1.ph3
opera
73.0.3856.284-lp151.2.39.1, 73.0.3856.284-lp152.2.27.1
ungoogled-chromium
113.0.5672.92-1.1
ungoogled-chromium-chromedriver
113.0.5672.92-1.1
Timeline
Publicly disclosed
Jan 8, 2021
Added to Industry KEV feed
Jan 26, 2026
Last updated
Aug 5, 2026
Weakness Type
- CWE-20 Improper Input Validation
- CWE-190 Integer Overflow or Wraparound
- CWE-787 Out-of-bounds Write
References
- advisoryhttps://chromereleases.googleblog.com/2020/12/stable-channel-update-for-desktop.html
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2020-16040
- advisoryhttps://ubuntu.com/security/CVE-2020-16040
- advisoryhttps://www.cve.org/CVERecord?id=CVE-2020-16040
- patchhttps://crbug.com/1150649
FAQ
Common Questions.
Insufficient data validation in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected: Chrome (Google) versions >= unspecified; chromium (arch); chromium-browser (ubuntu), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jan 26, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Chrome 87.0.4280.88, chromedriver 87.0.4280.88-bp151.3.147.1, chromedriver 87.0.4280.88-bp152.2.44.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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