CVE-2017-11911
HighPublic exploitChakraCore RCE Vulnerability
Published May 14, 2022 · Updated Aug 27, 2026 · Also known as GHSA-qfcq-4vv7-9mq7
Key Facts
Patch immediately- CVE-2017-11911 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Chakracore (Microsoft), Edge (Microsoft), Microsoft.ChakraCore (nuget) and 1 more product.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 65% probability of exploitation in the next 30 days.
- Fixed versions are available, including Chakracore 1.7.5, Microsoft.ChakraCore 1.7.5.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.5
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
65%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-11911 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
ChakraCore and Windows 10 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of 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-2017-11886, CVE-2017-11889, CVE-2017-11890, CVE-2017-11893, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11909, CVE-2017-11910, CVE-2017-11912, CVE-2017-11913, CVE-2017-11914, CVE-2017-11916, CVE-2017-11918, and CVE-2017-11930.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChakracoreMicrosoft | See advisory | 1.7.5 |
| EdgeMicrosoft | See advisory | n/a |
| Microsoft.ChakraCorenuget | See advisory | 1.7.5 |
| ChakraCore, Microsoft Edge | >= ChakraCore and Windows 10 1511, 1607, 1703, 1709, and Windows Server 2016. | n/a |
Patched Releases
Chakracore
1.7.5
Microsoft.ChakraCore
1.7.5
Timeline
Publicly disclosed
May 14, 2022
Last updated
Aug 27, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisoryGHSA advisory
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2017-11911
- advisory43468
- advisory102087
- advisory1039990
FAQ
Common Questions.
ChakraCore and Windows 10 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
Affected: Chakracore (Microsoft); Edge (Microsoft); Microsoft.ChakraCore (nuget), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Chakracore 1.7.5, Microsoft.ChakraCore 1.7.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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