CVE-2014-1776: Microsoft Internet Explorer Memory Corruption Vulnerability

CVE-2014-1776 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-01-28

A use-after-free vulnerability exists in Microsoft Internet Explorer versions 6 through 11 due to improper handling of objects in memory via the CMarkup::IsConnectedToPrimaryMarkup function. Remote attackers can exploit this to execute arbitrary code or cause a denial of service in the context of the current user.

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

Quick answers

Is CVE-2014-1776 exploited in the wild?
Yes. CVE-2014-1776 is known to be exploited in the wild, first recorded on 28 January 2022. Treat it as urgent.
How severe is CVE-2014-1776?
Critical severity, with a CVSS score of 9.8, published 28 January 2022.
Which products and versions are affected?
Microsoft Internet Explorer 6 through 11.
Is there a fix for CVE-2014-1776?
A patch was published on 2014-05-01: Microsoft released security bulletin MS14-021 to address the issue. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2014-1776 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2014-1776?
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 11

Timeline

  • 2014-04-01: exploited: Exploited in the wild in April 2014.
  • 2014-05-01: patched: Microsoft released security bulletin MS14-021 to address the issue.
  • 2022-01-28: kev added: Added to CISA's Known Exploited Vulnerabilities Catalog.

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