CVE-2018-8371 in the critical feed json
ChakraCore RCE Vulnerability
published 2018-08-15 8 y ago modified 2026-06-17 4 mo ago also GHSA-85j8-g29g-m326 , EUVD-2022-3112
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 15.4%
- EPSS 15.4% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8353, CVE-2018-8355, CVE-2018-8359, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.
Patch / fix
- nuget Microsoft.ChakraCore 1.10.1
Exploit prediction
15.38% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.6 | AV:N/AC:H/Au:N/C:C/I:C/A:C |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.ChakraCore | <1.10.1 |
1.10.1 |
Affected products
- Microsoft Internet Explorer 9
- Microsoft Internet Explorer 11
- Microsoft Internet Explorer 10
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8371
web, patch, vendor-advisory
-
securitytracker.com
/id/1041483
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105035
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8371
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210804005724/http://www.securityfocus.com/bid/105035
web
-
web.archive.org
/web/20211205174257/http://www.securitytracker.com/id/1041483
web
Sources
- CVE List CVE-2018-8371
- GitHub Advisory GHSA-85j8-g29g-m326
- NVD CVE-2018-8371
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.