CVE-2016-3386
ChakraCore RCE Vulnerability
CVE-2016-3386 is a high vulnerability (CVSS 7.5) in Microsoft Edge, published October 14, 2016. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 41.3%, the 98th percentile. Fixed in Microsoft.ChakraCore 1.2.1.
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.
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
What each source reports
NVD Score used
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.
- Record
CVE-2016-3386- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-3386- Updated
- 2026-11-02
EUVDEUVD-2022-5328 No score
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.
- Record
EUVD-2022-5328- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v9jg-m6g5-h3hh
ChakraCore RCE Vulnerability
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.
- Record
GHSA-v9jg-m6g5-h3hh- CVSS 3.0
- 7.5 High
CVSS: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-v9jg-m6g5-h3hh
ChakraCore RCE Vulnerability
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.
- Record
GHSA-v9jg-m6g5-h3hh- CVSS 3.0
- 7.5 High
CVSS: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
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Microsoft.ChakraCoreNuGet |
before 1.2.1 | 1.2.1 |
Microsoft.ChakraCoreNuGet |
before 1.2.1, plus listed versions 1.2.0 |
1.2.1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Edge - Spread Operator Stack Overflow (MS16-119) | 2016-10-20 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |