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High severity7.5NVD Advisory· Published May 21, 2020· Updated Aug 19, 2026

CVE-2020-1064

CVE-2020-1064

Description

A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input. An attacker could execute arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. In a HTML editing attack scenario, an attacker could trick a user into editing a specially crafted file that is designed to exploit the vulnerability. The security update addresses the vulnerability by modifying how MSHTML engine validates input.

Affected products

12
  • Microsoft/Internet Explorercpe-rescue4 versions
    Windows Server 2008 for 32-bit Systems Service Pack 2+ 3 more
    • (no CPE)range: Windows Server 2008 for 32-bit Systems Service Pack 2
    • (no CPE)range: Windows 10 Version 1803 for 32-bit Systems
    • cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
  • Microsoft/MSHTML Enginellm-fuzzy
  • Microsoft/Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systemsv5
    Range: unspecified
  • Microsoft/Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systemsv5
    Range: unspecified
  • Microsoft/Internet Explorer 11 on Windows Server 2012v5
    Range: unspecified

Patches

Vulnerability mechanics

References

2

News mentions

0

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