Which products and versions are affected by CVE-2016-0191?

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

Is CVE-2016-0191 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Aug 17, 2021.

Is CVE-2016-0191 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-2016-0191?

No public exploit code is known.

Is there a fix for CVE-2016-0191?

Fixed versions are available, including Microsoft.ChakraCore 1.2.0.0.

How urgently should CVE-2016-0191 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Request A Demo

On CISA KEVHigh

CVE-2016-0191Edge Memory Corruption

ChakraCore RCE Vulnerability

Published May 14, 2022 · Updated Aug 5, 2024 · Also known as GHSA-j69r-w67w-gf35

Key Facts

Patch immediately

CVE-2016-0191 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Edge (Microsoft), Microsoft.ChakraCore (nuget).
It is exploited in the wild, listed in Industry KEV feed since Aug 17, 2021. No public exploit code is known.
EPSS estimates a 28% probability of exploitation in the next 30 days.
Fixed versions are available, including Microsoft.ChakraCore 1.2.0.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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)

28%

Higher than 98.1% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

49/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Aug 17, 2021

-270 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

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-2016-0191
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-2016-0186 and CVE-2016-0193.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Aug 17, 2021	n/a	Not reported

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
EdgeMicrosoft	See advisory	n/a
Microsoft.ChakraCorenuget	See advisory	1.2.0.0

Patched Releases

Microsoft.ChakraCore

1.2.0.0

Timeline

Added to Industry KEV feed
Aug 17, 2021
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-2016-0186 and CVE-2016-0193.
Affected: Edge (Microsoft); Microsoft.ChakraCore (nuget). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Aug 17, 2021.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Microsoft.ChakraCore 1.2.0.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2016-0191 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.