Vulnerability Intelligence Report
Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability
CVE-2018-8653
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8643.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.5
HIGH
Exploitability:1.7
Impact Score:5.9
EPSS Probability:29.11%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787 Out-of-bounds Write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Internet Explorer 9 | Windows Server 2008 for 32-bit Systems Service Pack 2 (affected), Windows Server 2008 for x64-based Systems Service Pack 2 (affected) |
| Microsoft | Internet Explorer 11 | Windows 10 for 32-bit Systems (affected), Windows 10 for x64-based Systems (affected), Windows 10 Version 1607 for 32-bit Systems (affected), Windows 10 Version 1607 for x64-based Systems (affected), Windows 10 Version 1703 for 32-bit Systems (affected), Windows 10 Version 1703 for x64-based Systems (affected), Windows 10 Version 1709 for 32-bit Systems (affected), Windows 10 Version 1709 for ARM64-based Systems (affected), Windows 10 Version 1709 for x64-based Systems (affected), Windows 10 Version 1803 for 32-bit Systems (affected), Windows 10 Version 1803 for ARM64-based Systems (affected), Windows 10 Version 1803 for x64-based Systems (affected), Windows 10 Version 1809 for 32-bit Systems (affected), Windows 10 Version 1809 for ARM64-based Systems (affected), Windows 10 Version 1809 for x64-based Systems (affected), Windows 7 for 32-bit Systems Service Pack 1 (affected), Windows 7 for x64-based Systems Service Pack 1 (affected), Windows 8.1 for 32-bit systems (affected), Windows 8.1 for x64-based systems (affected), Windows RT 8.1 (affected), Windows Server 2008 R2 for x64-based Systems Service Pack 1 (affected), Windows Server 2012 R2 (affected), Windows Server 2016 (affected), Windows Server 2019 (affected) |
| Microsoft | Internet Explorer 10 | Windows Server 2012 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2018-03-14T00:00:00 |
| Published | 2018-12-20T13:00:00 |
| Patch Date | 2018-12-20 |
| Last Updated | 2025-10-21T23:45:45 |
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