CVE-2016-0189: Microsoft Internet Explorer Memory Corruption Vulnerability

High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2022-03-28. EPSS: 94.1% chance of exploitation in the next 30 days.

The Microsoft (1) JScript 5.8 and (2) VBScript 5.7 and 5.8 engines, as used in Internet Explorer 9 through 11 and other products, 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," a different vulnerability than CVE-2016-0187.

Affected products

• Microsoft Internet Explorer: version 9 only; version 10 only; version 11 only
• Microsoft Jscript: version 5.8 only
• Microsoft Vbscript: version 5.7 only; version 5.8 only

Published 2016-05-11. Last modified 2026-06-17.