CVE-2020-16010
CriticalExploitedPublic exploitHeap buffer overflow in UI in Google Chrome on Android prior to 86.0.4240.185 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Published Mar 16, 2021 · Updated Jan 12, 2026
Key Facts
Patch immediately- CVE-2020-16010 is a critical-severity vulnerability (CVSS 9.6 v3.1) affecting Chrome (Google), chromium (debian).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 31, 2020. Public exploit code is available.
- EPSS estimates a 6.4% probability of exploitation in the next 30 days.
- Fixed versions are available, including Chrome 86.0.4240.185, chromium 0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
6.4%
Higher than 93.5% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-16010 brief as a PDF
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Description
Heap buffer overflow in UI in Google Chrome on Android prior to 86.0.4240.185 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Oct 31, 2020 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
7 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | >= unspecified | 86.0.4240.185 |
| chromiumdebian | See advisory | 0 |
Patched Releases
Chrome
86.0.4240.185
Timeline
Added to Industry KEV feed
Oct 31, 2020
Publicly disclosed
Mar 16, 2021
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Jan 12, 2026
Weakness Type
- CWE-122 Heap-based Buffer Overflow
- CWE-787 Out-of-bounds Write
References
- advisoryhttps://chromereleases.googleblog.com/2020/11/chrome-for-android-update.html
- advisoryhttps://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html
- advisoryhttps://crbug.com/1144368
- advisoryhttps://gbhackers.com/google-zero-day-vulnerability/
- advisoryhttps://securityaffairs.co/wordpress/115600/security/google-chrome-0-day.html?utm_source=rss&utm_medium=rss&utm_campaign=google-chrome-0-day
FAQ
Common Questions.
Heap buffer overflow in UI in Google Chrome on Android prior to 86.0.4240.185 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Affected: Chrome (Google) versions >= unspecified; chromium (debian). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 31, 2020.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
Fixed versions are available, including Chrome 86.0.4240.185, chromium 0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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