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CVE-2017-11807

27
FAUCET Score

CVE-2017-11807 is a critical memory corruption vulnerability affecting ChakraCore and Microsoft Edge on Windows 10 version 1703. It allows an attacker to execute arbitrary code in the context of the current user by manipulating how the scripting engine handles objects in memory. With a CVSS score of 7.5 (High), this vulnerability requires user interaction (e.g., clicking a malicious link) but can lead to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered significant community discussion and media coverage, indicating its potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.7.2CPE matchmatch criteria
cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*

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
8.76%
Probability of exploitation in next 30 days
EPSS Percentile
94.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0876 is in the 68th percentile among its peer group of 1,572 CVEs.

Social Chatter

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 (7)

microsoftpatch availablevia msrc
Product: 10724-10952
View patch
microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 10724-10951
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: ChakraCore
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems
View patch
nugetpatch availablevia ghsa
Product: Microsoft.ChakraCoreFixed in: 1.7.3

Vendor Advisories (2)

nugetGHSA-6mw4-phmc-x477high

ChakraCore RCE Vulnerability

May 17, 2022
microsoft2017-Oct/CVE-2017-11807Critical

Scripting Engine Memory Corruption Vulnerability

Oct 10, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-11807
PatchVendor Advisory
securityfocus.com / bid/101134
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039529
Third Party AdvisoryVDB Entry