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CVE-2017-8658
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka…
- 9.8CriticalCVSS base score
- 20.1%Exploitation in 30 daysEPSS · top 2.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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".
Timeline
ID reserved
By microsoft
- 3 months later
· 3 months later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 20.1% · top 2.5% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
Microsoft Corporation · ChakraCore
- affected ChakraCore V1.7.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetMicrosoft.ChakraCoreGHSA-8v2h-4jpm-3wfm (opens in a new tab)
References
2
- 100036 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-3231 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-8v2h-4jpm-3wfm (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-8658)Record last updated .