CVE-2012-4969: Microsoft Internet Explorer Use-After-Free Vulnerability

CVE-2012-4969 · Severity: critical · CVSS 8.1 · Exploited in the wild · Published 2022-06-08

A use-after-free vulnerability exists in the CMshtmlEd::Exec function in mshtml.dll within Microsoft Internet Explorer 6 through 9. Remote attackers can exploit this flaw to execute arbitrary code via a specially crafted website.

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

Quick answers

Is CVE-2012-4969 exploited in the wild?
Yes. CVE-2012-4969 is known to be exploited in the wild, first recorded on 8 June 2022. Treat it as urgent.
How severe is CVE-2012-4969?
Critical severity, with a CVSS score of 8.1, published 8 June 2022.
Which products and versions are affected?
Microsoft Internet Explorer 6 through 9.
Is there a fix for CVE-2012-4969?
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-2012-4969 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2012-4969?
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 6 through 9

Timeline

  • 2012-09-17: disclosed: Publicly reported as a zero-day vulnerability.
  • 2012-09-01: exploited: Exploited in the wild in September 2012.
  • 2022-06-08: kev added: Added to CISA's Known Exploited Vulnerabilities Catalog.

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.