CVE-2018-0834 in the critical feed json
ChakraCore RCE Vulnerability
published 2018-02-15 8 y ago modified 2026-06-17 4 mo ago also GHSA-5j48-826p-2w9r , EUVD-2022-2606
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 55.2%
- EPSS 55.2% chance of exploitation in 30 days, percentile 99%
- public exploits
- 1
- Exploit-DB
Summary
Microsoft Edge and ChakraCore in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0840, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.
Patch / fix
Timeline
- First public exploit (EDB-44078)
- Published
Exploit prediction
55.21% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-44078 Microsoft Edge Chakra JIT - Array Type Confusion via InitProto Instructions dos, 2018-02-15
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 | 9.3 | AV:N/AC:M/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 | <1.8.1 |
1.8.1 |
Affected products
- Microsoft Corporation Microsoft Edge, ChakraCore
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/chakra-core/ChakraCore/commit/6cd503299eac4a5b5ffc0c5bb0d072861f60e183
web
-
exploit-db.com
/exploits/44078/
exploit, third-party-advisory, vdb-entry
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-0834
web, vendor-advisory
-
securityfocus.com
/bid/102859
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1040372
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-0834
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210124135628/http://www.securityfocus.com/bid/102859
web
-
web.archive.org
/web/20211208072939/http://www.securitytracker.com/id/1040372
web
-
exploit-db.com
/exploits/44078
web
Sources
- CVE List CVE-2018-0834
- GitHub Advisory GHSA-5j48-826p-2w9r
- NVD CVE-2018-0834
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.