Is CVE-2016-7200 exploited in the wild?

Yes. CVE-2016-7200 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.

How severe is CVE-2016-7200?

Critical severity, with a CVSS score of 3, published 14 May 2022.

Which products and versions are affected?

Microsoft.ChakraCore (NuGet) ECOSYSTEM:introduced=0,fixed=1.2.2.

Is there a fix for CVE-2016-7200?

Yes. Microsoft.ChakraCore (NuGet): upgrade to 1.2.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2016-7200 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2016-7200?

Check whether you run Microsoft Edge, Microsoft Internet Explorer or Microsoft.ChakraCore (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2016-7200: ChakraCore RCE Vulnerability

CVE-2016-7200 · Severity: critical · CVSS 3 · Exploited in the wild · Published 2022-05-14

The Chakra JavaScript scripting engine in Microsoft Edge contains a memory corruption vulnerability that allows remote attackers to execute arbitrary code or cause a denial of service. The flaw is triggered when a user visits a specially crafted website, leading to an out-of-bounds write (CWE-787).

Technologies: Microsoft Edge, Microsoft Internet Explorer, Microsoft.ChakraCore (NuGet). Vendors: Microsoft, NuGet.

Quick answers

Is CVE-2016-7200 exploited in the wild?: Yes. CVE-2016-7200 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.
How severe is CVE-2016-7200?: Critical severity, with a CVSS score of 3, published 14 May 2022.
Which products and versions are affected?: Microsoft.ChakraCore (NuGet) ECOSYSTEM:introduced=0,fixed=1.2.2.
Is there a fix for CVE-2016-7200?: Yes. Microsoft.ChakraCore (NuGet): upgrade to 1.2.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2016-7200 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2016-7200?: Check whether you run Microsoft Edge, Microsoft Internet Explorer or Microsoft.ChakraCore (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Microsoft.ChakraCore (NuGet): upgrade to 1.2.2 or later

dotnet add package Microsoft.ChakraCore --version 1.2.2

Affected products

Microsoft Edge Windows 10, Windows Server 2016
Microsoft Chakra JavaScript Engine

Identifiers

CVE-2016-7200
GHSA-5whg-j5fv-xcm2

Timeline

2016-11-08: patched: Microsoft released security bulletin MS16-129 to address the issue.
2022-03-28: kev added: CISA added this vulnerability to the Known Exploited Vulnerabilities (KEV) catalog.
2022-03-28: disclosed

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