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The (1) JScript and (2) VBScript engines in Microsoft Internet Explorer 9 through 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."
Use CWE-119, Microsoft vendor hub and Jscript product page to widen CVE-2015-6056 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2016-0189, CVE-2015-6136 and CVE-2015-6089 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.