Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via vectors involving crafted JavaScript code, CMarkup, and the onpropertychange attribute of a script element, as exploited in the wild in January and February 2014.
Use CWE-416, Microsoft vendor hub and Internet Explorer product page to widen CVE-2014-0322 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2021-27085, CVE-2021-26411 and CVE-2020-0878 for nearby disclosures in the same product family. Additional editorial context is available in Weekly Security Roundup: Navigating the April 2026 Threat Landscape and Critical Framework Exploits.