CVE-2017-8658 in the critical feed json
ChakraCore RCE Vulnerability
published 2017-08-11 9 y ago modified 2026-06-17 4 mo ago also GHSA-8v2h-4jpm-3wfm , EUVD-2022-3231
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 20.1%
- EPSS 20.1% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
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".
Patch / fix
- nuget Microsoft.ChakraCore 1.6.1
Exploit prediction
20.07% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| GitHub | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.ChakraCore | <1.6.1 |
1.6.1 |
Affected products
- Microsoft Corporation ChakraCore
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2017-8658
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/pull/3509
web
-
github.com
/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d
web
-
securityfocus.com
/bid/100036
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-8658
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210124090857/http://www.securityfocus.com/bid/100036
web
Sources
- CVE List CVE-2017-8658
- GitHub Advisory GHSA-8v2h-4jpm-3wfm
- NVD CVE-2017-8658
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.