CVE-2018-8380 in the critical feed json
ChakraCore remote code execution vulnerability
published 2018-08-15 8 y ago modified 2026-06-17 4 mo ago also GHSA-rxg4-vw2v-rxm4 , EUVD-2022-5252
- 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 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-2018-8266, CVE-2018-8381, CVE-2018-8384.
Patch / fix
- nuget Microsoft.ChakraCore 1.10.2
Exploit prediction
15.38% chance of exploitation in the next 30 days, higher than 96% 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 | <1.10.2 |
1.10.2 |
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-2018-8380
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/pull/5596
web
-
github.com
/chakra-core/ChakraCore/commit/15bd39993cff2bdef0d2bd46751bb7375b3592b3
web
-
securitytracker.com
/id/1041457
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/104979
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8380
advisory
-
github.com
/Microsoft/ChakraCore/wiki/Roadmap#v1102
web
-
web.archive.org
/web/20210125211937/http://www.securityfocus.com/bid/104979
web
-
web.archive.org
/web/20211203061111/http://www.securitytracker.com/id/1041457
web
Sources
- CVE List CVE-2018-8380
- GitHub Advisory GHSA-rxg4-vw2v-rxm4
- NVD CVE-2018-8380
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.