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Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a certain sequence of manipulations of a TextRange element, aka "Internet Explorer Memory Corruption Vulnerability."
Use CWE-119, Microsoft vendor hub and Internet Explorer product page to widen CVE-2014-0307 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.