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CVE-2014-4123

82
FAUCET Score

CVE-2014-4123 is an Elevation of Privilege vulnerability affecting Microsoft Internet Explorer versions 7 through 11, as well as various Windows operating systems. This high-severity vulnerability (CVSS 8.8) allows remote attackers to gain elevated privileges by enticing a user to visit a specially crafted website. It requires user interaction, but once exploited, it can lead to complete compromise of confidentiality, integrity, and availability. This vulnerability was actively exploited in the wild in October 2014, indicating its real-world impact, and has garnered significant community discussion despite no public exploit code being readily available.

Impacted Technologies

VendorProductVersion(s)CPE
7CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
8CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
9CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
40.29%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · May 25, 2022
This CVE's current EPSS score of 0.4029 is in the 99th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
blogs.technet.com / b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx
Not ApplicableVendor Advisory
docs.microsoft.com / en-us/security-updates/securitybulletins/2014/ms14-056
PatchVendor Advisory
secunia.com / advisories/60968
Broken Link
securityfocus.com / bid/70326
Broken LinkThird Party AdvisoryVDB Entry
securitytracker.com / id/1031018
Broken LinkThird Party AdvisoryVDB Entry