CVE-2016-0186

ChakraCore RCE Vulnerability

7.5 HighFix available

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-2016-0191 and CVE-2016-0193.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

19.4%Down 5.1 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2016-0186
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 7.6 HighAV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-0186
Updated: 2026-11-02

EUVDEUVD-2022-3798 No score

Record: EUVD-2022-3798
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fjj8-gv4j-953p 7.5

ChakraCore RCE Vulnerability

Record: GHSA-fjj8-gv4j-953p
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

OSVGHSA-fjj8-gv4j-953p 7.5

ChakraCore RCE Vulnerability

Record: GHSA-fjj8-gv4j-953p
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

Affected products

microsoft edge

Affected packages

Affected packages
Package	Affected	Fixed
`Microsoft.ChakraCore` NuGet	before 1.2.0.0	1.2.0.0

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-0186 is a high vulnerability (CVSS 7.5) in Microsoft Edge, published May 11, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 19.4%, the 97th percentile. Fixed in Microsoft.ChakraCore 1.2.0.0.

References

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