CVE-2014-4123

Microsoft Internet Explorer Privilege Escalation

8.8 HIGHActively exploited (CISA KEV)EPSS 47.1%

Published15 Oct 2014
Added to CISA KEV25 May 2022
Remediation due15 Jun 2022

Description

Microsoft Internet Explorer 7 through 11 allows remote attackers to gain privileges via a crafted web site, aka "Internet Explorer Elevation of Privilege Vulnerability," as exploited in the wild in October 2014, a different vulnerability than CVE-2014-4124.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Microsoft Internet Explorer10 · 11 · 7 · 8

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Patch & vendor advisories

References

http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspxNot ApplicableVendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-056PatchVendor Advisory
http://secunia.com/advisories/60968Broken Link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4123US Government Resource
http://www.securityfocus.com/bid/70326Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1031018Broken LinkThird Party AdvisoryVDB Entry

Frequently asked

Is CVE-2014-4123 being actively exploited?

Yes. CVE-2014-4123 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 May 2022.

How severe is CVE-2014-4123?

CVE-2014-4123 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 47.1% probability of exploitation.

Which products are affected by CVE-2014-4123?

Affected products include Microsoft Internet Explorer.

How do I fix CVE-2014-4123?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2014-4123 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.