CVE-2018-8294 in the critical feed json
ChakraCore RCE Vulnerability
published 2018-07-11 8 y ago modified 2026-06-17 4 mo ago also GHSA-gxxx-j8m7-hh7m , EUVD-2022-4036
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 21.2%
- EPSS 21.2% 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 scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8280, CVE-2018-8286, CVE-2018-8290.
Patch / fix
- nuget Microsoft.ChakraCore 1.10.1
Exploit prediction
21.15% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).
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 Microsoft Edge
- Microsoft ChakraCore
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8294
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/pull/5444
web
-
github.com
/chakra-core/ChakraCore/commit/7af07fdfb3cf3ac2b21dd71bf565ab1135e62d4d
web
-
securitytracker.com
/id/1041256
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/104646
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8294
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210124183944/http://www.securityfocus.com/bid/104646
web
-
web.archive.org
/web/20211202002348/http://www.securitytracker.com/id/1041256
web
Sources
- CVE List CVE-2018-8294
- GitHub Advisory GHSA-gxxx-j8m7-hh7m
- NVD CVE-2018-8294
Fencer Intel 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.