CVE-2014-4123: Microsoft Internet Explorer Privilege Escalation Vulnerability

CVE-2014-4123 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-05-25

Microsoft Internet Explorer 7 through 11 allows remote attackers to gain elevated privileges via a specially crafted website. This vulnerability is distinct from CVE-2014-4124 and has been observed being exploited in the wild.

Technologies: Microsoft Edge, Microsoft Internet Explorer. Vendors: Microsoft.

Quick answers

Is CVE-2014-4123 exploited in the wild?
Yes. CVE-2014-4123 is known to be exploited in the wild, first recorded on 25 May 2022. Treat it as urgent.
How severe is CVE-2014-4123?
Critical severity, with a CVSS score of 8.8, published 25 May 2022.
Which products and versions are affected?
Microsoft Internet Explorer 7 through 11.
Is there a fix for CVE-2014-4123?
A patch was published on 2014-10-14: Microsoft released security bulletin MS14-056. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2014-4123 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2014-4123?
Check whether you run Microsoft Edge or Microsoft Internet Explorer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Internet Explorer 7 through 11

Timeline

  • 2014-10-14: disclosed: Initial disclosure and reported exploitation in the wild.
  • 2014-10-14: patched: Microsoft released security bulletin MS14-056.
  • 2014-10-01: exploited: Exploited in the wild in October 2014.
  • 2022-05-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

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