CVE-2015-6055: Microsoft Jscript

High severity, CVSS 9.3. EPSS: 25.1% chance of exploitation in the next 30 days.

The Microsoft (1) VBScript 5.7 and 5.8 and (2) JScript 5.7 and 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Filter arguments, aka "Scripting Engine Memory Corruption Vulnerability."

Affected products

• Microsoft Jscript: version 5.6 only; version 5.7 only; version 5.8 only
• Microsoft Vbscript: version 5.6 only; version 5.7 only; version 5.8 only

Published 2015-10-14. Last modified 2026-06-17.