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CVE-2016-7243

32
FAUCET Score

CVE-2016-7243 describes a memory corruption vulnerability within the Chakra JavaScript scripting engine used by Microsoft Edge. This flaw allows remote attackers to execute arbitrary code or trigger a denial of service by enticing a user to visit a specially crafted website. With a CVSS score of 7.5 (HIGH), exploitation requires user interaction and has high impacts on confidentiality, integrity, and availability. While the EPSS score indicates a low probability of exploitation, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
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
15.17%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1517 is in the 83rd percentile among its peer group of 1,564 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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 (11)

microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: 10724-10789
View patch
microsoftpatch availablevia msrc
Product: 10724-10788
View patch
microsoftpatch availablevia msrc
Product: 10724-10816
View patch
microsoftpatch availablevia msrc
Product: 10724-10852
View patch
microsoftpatch availablevia msrc
Product: 10724-10853
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems
View patch
nugetpatch availablevia ghsa
Product: Microsoft.ChakraCoreFixed in: 1.2.2

Vendor Advisories (2)

nugetGHSA-77qc-gp37-hr26high

ChakraCore RCE Vulnerability

May 14, 2022
microsoft2016-Nov/CVE-2016-7243Critical

Scripting Engine Memory Corruption Vulnerability

Nov 8, 2016

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2016/ms16-129
securityfocus.com / bid/94047
securitytracker.com / id/1037245