Which products and versions are affected by CVE-2016-3386?

Affected: Edge (Microsoft); Microsoft.ChakraCore (nuget). The full list is in the CVE brief.

Is CVE-2016-3386 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2016-3386 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2016-3386?

Public exploit code is available.

Is there a fix for CVE-2016-3386?

Fixed versions are available, including Microsoft.ChakraCore 1.2.1.

How urgently should CVE-2016-3386 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Request A Demo

WatchlistHigh

CVE-2016-3386Edge Memory Corruption

ChakraCore RCE Vulnerability

Published May 14, 2022 · Updated Aug 5, 2024 · Also known as GHSA-v9jg-m6g5-h3hh

Key Facts

Patch immediately

CVE-2016-3386 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Edge (Microsoft), Microsoft.ChakraCore (nuget).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 41% probability of exploitation in the next 30 days.
Fixed versions are available, including Microsoft.ChakraCore 1.2.1.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

7.5

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

41%

Higher than 98.6% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

39/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2016-3386
advisoryGHSA advisory

Description

The Chakra JavaScript engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-3389, CVE-2016-7190, and CVE-2016-7194.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
EdgeMicrosoft	See advisory	n/a
Microsoft.ChakraCorenuget	See advisory	1.2.1

Patched Releases

Microsoft.ChakraCore

1.2.1

Timeline

Publicly disclosed
May 14, 2022
Last updated
Aug 5, 2024

Weakness Type

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

6 more references in the full CVE brief

FAQ

Common Questions.

The Chakra JavaScript engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-3389, CVE-2016-7190, and CVE-2016-7194.
Affected: Edge (Microsoft); Microsoft.ChakraCore (nuget). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Microsoft.ChakraCore 1.2.1.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Is CVE-2016-3386 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.