CVE-2018-8557 in the critical feed json
ChakraCore RCE Vulnerability
published 7y ago modified 4mo ago also GHSA-rhvg-r9fw-9wqj , EUVD-2022-5178
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 14.2%
- EPSS 14.2% 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-2018-8541, CVE-2018-8542, CVE-2018-8543, CVE-2018-8551, CVE-2018-8555, CVE-2018-8556, CVE-2018-8588.
Patch / fix
- nuget Microsoft.ChakraCore 1.11.3
Is CVE-2018-8557 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
14.16% 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 | <1.11.3 |
1.11.3 |
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-2018-8557
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/pull/5827
web
-
github.com
/chakra-core/ChakraCore/commit/e73f2fff33c299934df28f2fc87d41aa9e149c50
web
-
securitytracker.com
/id/1042107
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105780
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8557
advisory
-
web.archive.org
/web/20210124213936/http://www.securityfocus.com/bid/105780
web
-
web.archive.org
/web/20211126224439/http://www.securitytracker.com/id/1042107
web
Sources
- CVE List CVE-2018-8557
- GitHub Advisory GHSA-rhvg-r9fw-9wqj
- NVD CVE-2018-8557
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.