CVE-2018-8229 in the critical feed json
ChakraCore RCE Vulnerability
published 2018-06-14 8 y ago modified 2026-06-17 4 mo ago also GHSA-jv5x-p843-g4qr , EUVD-2022-4432
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 70.6%
- EPSS 70.6% chance of exploitation in 30 days, percentile 99.3%
- public exploits
- 1
- Exploit-DB
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-2018-8227.
Patch / fix
- nuget Microsoft.ChakraCore 1.8.5
Timeline
- Published
- First public exploit (EDB-45013)
Exploit prediction
70.58% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-45013 Microsoft Edge Chakra JIT - Type Confusion with Hoisted SetConcatStrMultiItemBE Instructions dos, 2018-07-12
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 | <1.8.5 |
1.8.5 |
Affected products
- Microsoft Microsoft Edge
- Microsoft ChakraCore
Classification
- Weakness
-
- CWE-843 Access of Resource Using Incompatible Type
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8229
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/commit/9b270c55bfea2fbefc9482d3414c4b4b395cad10
web
-
exploit-db.com
/exploits/45013/
exploit, third-party-advisory, vdb-entry
-
securityfocus.com
/bid/104369
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041097
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8229
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210124174715/http://www.securityfocus.com/bid/104369
web
-
web.archive.org
/web/20210927135934/http://www.securitytracker.com/id/1041097
web
-
exploit-db.com
/exploits/45013
web
Sources
- CVE List CVE-2018-8229
- GitHub Advisory GHSA-jv5x-p843-g4qr
- NVD CVE-2018-8229
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.