CVE-2014-0322: Microsoft Internet Explorer Use-After-Free Vulnerability

CVE-2014-0322 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-05-04

A use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code. The flaw is triggered via crafted JavaScript code involving CMarkup and the onpropertychange attribute of a script element.

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

Quick answers

Is CVE-2014-0322 exploited in the wild?
Yes. CVE-2014-0322 is known to be exploited in the wild, first recorded on 4 May 2022. Treat it as urgent.
How severe is CVE-2014-0322?
Critical severity, with a CVSS score of 8.8, published 4 May 2022.
Which products and versions are affected?
Microsoft Internet Explorer 9 and 10.
Is there a fix for CVE-2014-0322?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2014-0322 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2014-0322?
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 9 and 10

Timeline

  • 2014-01: exploited: Exploited in the wild in January and February 2014.
  • 2014-02-13: disclosed: Public blog post regarding 0-day exploit.
  • 2022-05-04: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

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