CVE-2018-8133 in the critical feed json
ChakraCore RCE Vulnerability
published 2018-05-09 8 y ago modified 2026-06-17 4 mo ago also GHSA-8rqh-8726-83h7 , EUVD-2022-3229
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 50.2%
- EPSS 50.2% chance of exploitation in 30 days, percentile 98%
- 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-2018-0943, CVE-2018-8130, CVE-2018-8145, CVE-2018-8177.
Patch / fix
- nuget Microsoft.ChakraCore 1.8.4
Timeline
- Published
- First public exploit (EDB-44817)
Exploit prediction
50.21% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-44817 Microsoft Edge Chakra - EntrySimpleObjectSlotGetter Type Confusion dos, 2018-05-31
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 | <1.8.4 |
1.8.4 |
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-2018-8133
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/commit/1b56f9fedf078ce100d65e9e7661bf1cfdc63502
web
-
exploit-db.com
/exploits/44817/
exploit, third-party-advisory, vdb-entry
-
securityfocus.com
/bid/103982
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1040844
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8133
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210124164259/http://www.securityfocus.com/bid/103982
web
-
web.archive.org
/web/20211204185256/http://www.securitytracker.com/id/1040844
web
-
exploit-db.com
/exploits/44817
web
Sources
- CVE List CVE-2018-8133
- GitHub Advisory GHSA-8rqh-8726-83h7
- NVD CVE-2018-8133
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