VULNERABILITY INTELLIGENCE

CVE-2018-8653

CVSS score7.5 HIGH

EPSS probability29.61%

CISA KEVKnown exploited vulnerability

Published2018-12-20

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability

Vendor / product: Microsoft / Internet Explorer

Description

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.

Weakness classification

CWE-787: Out-of-bounds Write

Primary references

secure@microsoft.com — Broken Link, Third Party Advisory, VDB Entry
secure@microsoft.com — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource