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01 Record

CVE-2020-16011

Heap buffer overflow in UI in Google Chrome on Windows prior to 86.0.4240.183 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted

UnratedPUBLISHEDCNA: Chrome
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Heap buffer overflow in UI in Google Chrome on Windows prior to 86.0.4240.183 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.40% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 83.6% of scored records. A rank, not a probability.
NVD base score
9.6 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-11-03 02:21Z5 YR AGO
Last updated
2024-08-04 13:30Z2 YR AGO
Reserved
2020-07-27
Assigning CNA
Chrome
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
808c6a7ee560e24e92dd4886dc4b615e686896eba594ad45b5986ab08f706f64

05 Affected products

VendorProductVersionsPlatforms
GoogleChrome< 86.0.4240.183—

06 References

07 Fixed in

Ubuntu 16.04 LTS

  • chromium-browser
    Fixed in 86.0.4240.198-0ubuntu0.16.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • chromium-browser
    Fixed in 86.0.4240.198-0ubuntu0.18.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.