CVE-2018-8467 in the critical feed json
ChakraCore RCE Vulnerability
published 2018-09-13 8 y ago modified 2026-06-17 4 mo ago also GHSA-xxp7-423f-hcp4 , EUVD-2022-5877
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 69.0%
- EPSS 69.0% 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-2018-8367, CVE-2018-8465, CVE-2018-8466.
Patch / fix
- nuget Microsoft.ChakraCore 1.11.1
Timeline
- Published
- First public exploit (EDB-45572)
Exploit prediction
69.02% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-45572 Microsoft Edge Chakra JIT - Type Confusion dos, 2018-10-09
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 | <1.11.1 |
1.11.1 |
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-2018-8467
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/pull/5688
web
-
github.com
/chakra-core/ChakraCore/commit/07a72e2849aab95ccdc178afbdab442cfee75368
web
-
exploit-db.com
/exploits/45572/
exploit, third-party-advisory, vdb-entry
-
securitytracker.com
/id/1041623
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105244
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8467
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210124202946/http://www.securityfocus.com/bid/105244
web
-
web.archive.org
/web/20210517133345/http://www.securitytracker.com/id/1041623
web
-
exploit-db.com
/exploits/45572
web
Sources
- CVE List CVE-2018-8467
- GitHub Advisory GHSA-xxp7-423f-hcp4
- NVD CVE-2018-8467
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.