How severe is CVE-2020-0968?

CVE-2020-0968 has a CVSS 3.1 base score of 7.5 (HIGH). EPSS estimates a 30.7% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2020-0968: Microsoft Internet Explorer Scripting Engine Memory

CISA Known Exploited Vulnerabilities

Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2021-11-03

Remediation due

2022-05-03

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-0968

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.

Severity

CVSS 3.1 · CISA7.5 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Microsoft	Internet Explorer 9	Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft	Internet Explorer 11	Windows 10 Version 1803 for 32-bit Systems Windows 10 Version 1803 for x64-based Systems Windows 10 Version 1803 for ARM64-based Systems Windows 10 Version 1809 for 32-bit Systems Windows 10 Version 1809 for x64-based Systems Windows 10 Version 1809 for ARM64-based Systems Windows Server 2019 Windows 10 Version 1709 for 32-bit Systems Windows 10 Version 1709 for x64-based Systems Windows 10 Version 1709 for ARM64-based Systems Windows 10 for 32-bit Systems Windows 10 for x64-based Systems Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for x64-based Systems Windows Server 2016 Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows 8.1 for 32-bit systems Windows 8.1 for x64-based systems Windows RT 8.1 Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2012 R2
Microsoft	Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems	unspecified
Microsoft	Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems	unspecified
Microsoft	Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems	unspecified
Microsoft	Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems	unspecified
Microsoft	Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems	unspecified
Microsoft	Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems	unspecified
Microsoft	Internet Explorer 11 on Windows Server 2012	unspecified

References

1 Links

Other references

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0968

Record Details

Published

2020-04-15

Last updated

2025-10-21

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.