---
id: "CVE-2020-0968"
kind: "vulnerability"
aliases: ["CVE-2020-0968"]
title: "Microsoft Internet Explorer: Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability"
severity: "high"
cvss: 7.6
epss: 0.30676
exploited: true
status: "open"
category: "other"
products: [{"name": "Microsoft Internet Explorer", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "internet-explorer", "other", "ransomware", "windows"]
not_affected_if: ["internet-explorer-removed", "no-ie-installed"]
published_at: "2020-04-15T15:15:18+00:00"
first_seen_at: "2026-10-23T19:11:53+00:00"
updated_at: "2026-10-23T21:57:34+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-0968", "first_seen_at": "2026-10-23T19:11:53+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-0968", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-0968", "first_seen_at": "2026-10-23T21:57:34+00:00"}]
---

# Microsoft Internet Explorer: Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability

Microsoft Internet Explorer's scripting engine mishandles objects in memory, causing memory corruption. An attacker who gets a user to load a crafted page can run code on that user's machine.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Microsoft Internet Explorer affected ? fixed ?

## Fix

Apply the Microsoft security update for Internet Explorer per vendor instructions, as CISA requires; the specific KB or patched version is not in the sources.

## Timeline

- 2026-10-23T19:11:53+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-0968
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2020-0968
- 2026-10-23T21:57:34+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2020-0968

## From the sources

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 CVE ID is unique from CVE-2020-0970.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_