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CVE-2014-4138

50
FAUCET Score

CVE-2014-4138 is a critical memory corruption vulnerability affecting Microsoft Internet Explorer 11 that allows remote attackers to execute arbitrary code or cause a denial of service via a crafted website. With a CVSS score of 9.3, it is highly severe, requiring no authentication and having a medium attack complexity but full impact on confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, an exploit module for Metasploit is available, demonstrating its potential for exploitation. Despite its severity and exploit availability, there is minimal community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
11CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
32.24%
Probability of exploitation in next 30 days
EPSS Percentile
98.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-40960 · Dec 22, 2016
This CVE's current EPSS score of 0.3224 is in the 94th percentile among its peer group of 8,918 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, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.skylined.nl / 20161221001.html
packetstormsecurity.com / files/140258/Microsoft-Internet-Explorer-11-MSHTML-CPasteCommand-ConvertBitmaptoPng-Buffer-Overflow.html
docs.microsoft.com / en-us/security-updates/securitybulletins/2014/ms14-056
secunia.com / advisories/60968
exploit-db.com / exploits/40960
securityfocus.com / bid/70340
securitytracker.com / id/1031018