CVE-2018-0993 in the critical feed json
ChakraCore RCE Vulnerability
published 2018-04-12 8 y ago modified 2026-06-17 4 mo ago also GHSA-7c7v-g484-j4cf , EUVD-2022-2972
- 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-2018-0979, CVE-2018-0980, CVE-2018-0990, CVE-2018-0994, CVE-2018-0995, CVE-2018-1019.
Patch / fix
- nuget Microsoft.ChakraCore 1.8.3
Exploit prediction
15.43% 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 | <1.8.3 |
1.8.3 |
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-2018-0993
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/commit/4bdd0efb1c309a0307cdfbd2856ca8cd88b154bb
web
-
securityfocus.com
/bid/103627
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1040650
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-0993
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210125210148/http://www.securityfocus.com/bid/103627
web
-
web.archive.org
/web/20211207123630/http://www.securitytracker.com/id/1040650
web
Sources
- CVE List CVE-2018-0993
- GitHub Advisory GHSA-7c7v-g484-j4cf
- NVD CVE-2018-0993
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.