CVE-2018-8276 json
ChakraCore Security Bypass
published 2018-07-11 8 y ago modified 2026-06-17 4 mo ago also GHSA-wg47-6cqc-q52j , EUVD-2022-5570
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.8%
- EPSS 5.8% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
A security feature bypass vulnerability exists in the Microsoft Chakra scripting engine that allows Control Flow Guard (CFG) to be bypassed, aka "Scripting Engine Security Feature Bypass Vulnerability." This affects Microsoft Edge, ChakraCore.
Patch / fix
- nuget Microsoft.ChakraCore 1.10.1
Exploit prediction
5.77% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.ChakraCore | <1.10.1 |
1.10.1 |
Affected products
- Microsoft Microsoft Edge
- Microsoft ChakraCore
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8276
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/commit/4196f8097afdcc5fe01ce2966871712fb24003a3
web
-
securitytracker.com
/id/1041256
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/104626
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8276
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210124183457/http://www.securityfocus.com/bid/104626
web
-
web.archive.org
/web/20211202002348/http://www.securitytracker.com/id/1041256
web
Sources
- CVE List CVE-2018-8276
- GitHub Advisory GHSA-wg47-6cqc-q52j
- NVD CVE-2018-8276
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.