CVE-2017-11871 json
Chakra Core vulnerable to privilege escalation due to reading an invalid pointer
published 2017-11-15 8 y ago modified 2026-06-17 4 mo ago also GHSA-43qp-hphf-5rjw , EUVD-2022-2284
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 8.0%
- EPSS 8.0% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
ChakraCore and Microsoft Edge in Windows 10 1703, 1709, and Windows Server, version 1709 allows an attacker to gain the same user rights as the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11836, CVE-2017-11837, CVE-2017-11838, CVE-2017-11839, CVE-2017-11840, CVE-2017-11841, CVE-2017-11843, CVE-2017-11846, CVE-2017-11858, CVE-2017-11859, CVE-2017-11861, CVE-2017-11862, CVE-2017-11866, CVE-2017-11869, CVE-2017-11870, and CVE-2017-11873.
Patch / fix
- nuget Microsoft.ChakraCore 1.7.4
Exploit prediction
7.98% chance of exploitation in the next 30 days, higher than 94% 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 | <1.7.4 |
1.7.4 |
Affected products
- Microsoft Corporation ChakraCore, Microsoft Edge
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2017-11871
web, patch, vendor-advisory
-
github.com
/chakra-core/ChakraCore/pull/4226
web
-
github.com
/chakra-core/ChakraCore/commit/9d211a417757ba1ddcd0f2e72d9553535256107e
web
-
securitytracker.com
/id/1039780
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/101730
vdb-entry, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-11871
advisory
-
github.com
/chakra-core/ChakraCore
package
-
web.archive.org
/web/20210124114740/http://www.securityfocus.com/bid/101730
web
-
web.archive.org
/web/20210517135249/http://www.securitytracker.com/id/1039780
web
Sources
- CVE List CVE-2017-11871
- GitHub Advisory GHSA-43qp-hphf-5rjw
- NVD CVE-2017-11871
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.