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

Source: https://junglewise.ai/threats/cve-2014-4123-microsoft-internet-explorer-privilege-escalation-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/edge), [Microsoft Internet Explorer](https://junglewise.ai/threats/technologies/internet-explorer). Vendors: [Microsoft](https://junglewise.ai/threats/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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