CVE-2017-8658
ChakraCore RCE Vulnerability
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
- Record
CVE-2017-8658- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
- Record
CVE-2017-8658- Updated
- 2026-11-02
EUVDEUVD-2022-3231 No score
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
- Record
EUVD-2022-3231- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8v2h-4jpm-3wfm
ChakraCore RCE Vulnerability
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
- Record
GHSA-8v2h-4jpm-3wfm- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
- Record
CVE-2017-8658- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-8v2h-4jpm-3wfm
ChakraCore RCE Vulnerability
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
- Record
GHSA-8v2h-4jpm-3wfm- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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 1.6.1 | 1.6.1 |
Microsoft.ChakraCoreNuGet |
before 1.6.1, plus listed versions 1.2.01.2.11.2.21.2.31.2.6.62716-preview Show 14 moreShow less1.3.01.3.11.3.21.4.01.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.0 |
1.6.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-8658 is a critical vulnerability (CVSS 9.8) in Microsoft Chakracore, published August 11, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 20.1%, the 97th percentile. Fixed in Microsoft.ChakraCore 1.6.1.
References
securityfocus.com/bid/100036
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658
nvd.nist.gov/vuln/detail/CVE-2017-8658
github.com/chakra-core/ChakraCore/pull/3509
web.archive.org/web/20210124090857/http://www.securityfocus.com/bid/100036