CVE-2020-16017

CriticalActively exploited (CISA KEV)

Description

Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

SeverityCritical
CVSS9.6
Exploit probability—
ProductGoogle Chrome
PublishedJan 8, 2021
First seenJan 8, 2021
Added to KEVNov 3, 2021

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022
Update
  • google chrome86.0.4240.198 or later
  • CefSharp.Common86.0.241 or later
  • CefSharp.Wpf86.0.241 or later
  • CefSharp.WinForms86.0.241 or later
  • CefSharp.Wpf.HwndHost86.0.241 or later

Affected products

ProductAffected versionsFixed in
google chromev < 86.0.4240.19886.0.4240.198
CefSharp.CommonNuGetv < 86.0.24186.0.241
CefSharp.WpfNuGetv < 86.0.24186.0.241
CefSharp.WinFormsNuGetv < 86.0.24186.0.241
CefSharp.Wpf.HwndHostNuGetv < 86.0.24186.0.241

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