ChakraCore RCE Vulnerability
CISA confirms exploitation of this vulnerability in real attacks. Prioritise checking whether your application is affected. CISA KEV · CC0 1.0
The Chakra JavaScript scripting 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-2016-7200, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Microsoft.ChakraCore | < 1.2.2 | 1.2.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2016-7201
- https://github.com/chakra-core/ChakraCore/pull/1982
- https://github.com/chakra-core/ChakraCore/commit/c2787ef8fdb7401922e9ec6540e4e5895d11c631
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129
- https://github.com/chakra-core/ChakraCore
- https://github.com/theori-io/chakra-2016-11
- https://web.archive.org/web/20210123185125/http://www.securityfocus.com/bid/94038
- https://web.archive.org/web/20211126224744/http://www.securitytracker.com/id/1037245
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7201
- https://www.exploit-db.com/exploits/40784
- https://www.exploit-db.com/exploits/40990
- http://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html
- http://www.securityfocus.com/bid/94038
- http://www.securitytracker.com/id/1037245
- CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-119, CWE-843- Platform
- .NET (NuGet)
- Package
Microsoft.ChakraCore- Disclosed
- 14.05.2022
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4f5g-j7wg-7w8j - CC BY 4.0
Vulnerability history: Microsoft.ChakraCore
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 247
- First → latest
- 04.2019 05.2022
- Without a fix
- 5
- Exploited in attacks
- 3
Severity breakdown
- Critical 5
- High 234
- Medium 8
Disclosures per year
- 2019: 8
- 2020: 0
- 2021: 58
- 2022: 181
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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ChakraCore RCE Vulnerability this entry
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