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CVE-2018-8243
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting…
High7.5EPSS 12.2%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8267.
Timeline
ID reserved
By microsoft
- 3 months later
· 3 months later
Published
- 6 years later
· 6 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 | High7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 12.2% · top 3.8% 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: High 7.5.
Weakness
- Remote Code Execution
- CWE-787 (opens in a new tab)All about CWE-787 and its CVEs
Affected products
- affected ChakraCore
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetMicrosoft.ChakraCoreGHSA-w4qx-vw2w-q566 (opens in a new tab)
References (2)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8243 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 104403 (opens in a new tab)vdb-entryx_refsource_BIDx_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-2022-5495 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-w4qx-vw2w-q566 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2018-8243)Record last updated .