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CVE-2017-11916

21
FAUCET Score

CVE-2017-11916 is a critical memory corruption vulnerability in Microsoft ChakraCore that allows for arbitrary code execution in the context of the current user. This high-severity flaw, rated 7.5 CVSSv3, requires user interaction and a high attack complexity, but can lead to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog or having public exploit code in Metasploit or ExploitDB, it has garnered significant community discussion and media coverage, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.7.5CPE matchmatch criteria
cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.17%
Probability of exploitation in next 30 days
EPSS Percentile
92.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0617 is in the 60th percentile among its peer group of 1,572 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.4 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.6 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: ChakraCore
View patch
nugetpatch availablevia ghsa
Product: Microsoft.ChakraCoreFixed in: 1.7.5

Vendor Advisories (2)

nugetGHSA-5f5r-65pm-r3wrhigh

ChakraCore RCE Vulnerability

May 17, 2022
microsoft2017-Dec/CVE-2017-11916Important

Scripting Engine Memory Corruption Vulnerability

Dec 12, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-11916
PatchVendor Advisory
securityfocus.com / bid/102090
Third Party AdvisoryVDB Entry