CVE-2016-3202
ChakraCore RCE Vulnerability
CVE-2016-3202 is a high vulnerability (CVSS 7.5) in Microsoft Chakra Javascript, published June 16, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 17.4%, the 97th percentile. Fixed in Microsoft.ChakraCore 1.2.0.0.
The Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, allow 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."
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 Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, allow 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."
- Record
CVE-2016-3202- 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
- 7.6 High
AV:N/AC:H/Au:N/C:C/I:C/A:C - Weakness
- CWE-20, CWE-119
- Updated
- 2026-11-02
CVE List No score
The Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, allow 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."
- Record
CVE-2016-3202- Updated
- 2026-11-02
EUVDEUVD-2022-5651 No score
The Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, allow 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."
- Record
EUVD-2022-5651- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ww6f-76ff-phhj
ChakraCore RCE Vulnerability
The Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, allow 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."
- Record
GHSA-ww6f-76ff-phhj- 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-ww6f-76ff-phhj
ChakraCore RCE Vulnerability
The Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, allow 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."
- Record
GHSA-ww6f-76ff-phhj- 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 1.2.0.0 | 1.2.0.0 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-063
securitytracker.com/id/1036099
nvd.nist.gov/vuln/detail/CVE-2016-3202
github.com/chakra-core/ChakraCore/commit/ff9067ebe9e1c92eff4e25da95070bfd5942da07