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ExploitedIn CISA KEVFix available

CVE-2020-0968

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2020-04-15
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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 CVE ID is unique from CVE-2020-0970.

Timeline

dates in UTC
  1. 2020-04-1515:15CVE publishedNVD
  2. 2021-11-03Added to the CISA KEV catalogCISA KEV
  3. 2021-11-03Listed as exploited by GCVEGCVE
  4. 2021-11-03Exploitation first reportedCISA KEV
  5. 2025-02-0715:15SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-0968?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-0968?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Microsoft internet explorerversion to verify
BranchAffectedFixed in
11.x= 11no fix published
9.x= 9no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA9 products

As microsoft, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Microsoft Internet Explorer 9
    Affected
    • = Windows Server 2008 for 32-bit Systems Service Pack 2no fix stated
    • = Windows Server 2008 for x64-based Systems Service Pack 2no fix stated
  • Microsoft Internet Explorer 11
    Affected
    • = Windows 10 Version 1803 for 32-bit Systemsno fix stated
    • = Windows 10 Version 1803 for x64-based Systemsno fix stated
    • = Windows 10 Version 1803 for ARM64-based Systemsno fix stated
    • = Windows 10 Version 1809 for 32-bit Systemsno fix stated
    • = Windows 10 Version 1809 for x64-based Systemsno fix stated
    • = Windows 10 Version 1809 for ARM64-based Systemsno fix stated
    • = Windows Server 2019no fix stated
    • = Windows 10 Version 1709 for 32-bit Systemsno fix stated

    14 more version lines in the CVE record.

  • Microsoft Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems
  • Microsoft Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems

3 more products in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2020-04-15

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2022-05-03

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2021-11-03
Patch Due Date
2022-05-03
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2020-04-15
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-m4v9-rc68-3qrf

Frequently asked questions

What is CVE-2020-0968?

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.

Is CVE-2020-0968 actively exploited?

Yes. CVE-2020-0968 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2020-0968?

CVE-2020-0968 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Same product first, then the same vendor advisory and the same publication week.

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Sources for this record