How severe is CVE-2019-0541?

CVE-2019-0541 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 53.2% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2019-0541: Microsoft MSHTML Remote Code Execution

CISA Known Exploited Vulnerabilities

Microsoft MSHTML Remote Code Execution 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

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2019-0541

Description

A remote code execution vulnerability exists in the way that the MSHTML engine inproperly validates input, aka "MSHTML Engine Remote Code Execution Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Internet Explorer 9, Internet Explorer 11, Microsoft Excel Viewer, Internet Explorer 10, Office 365 ProPlus.

Severity

CVSS 3.1 · CISA8.8 HIGH

CVSS:3.1/AV:N/AC:L/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	Microsoft Office	2010 Service Pack 2 (32-bit editions) 2010 Service Pack 2 (64-bit editions) 2013 RT Service Pack 1 2013 Service Pack 1 (32-bit editions) 2013 Service Pack 1 (64-bit editions) 2016 (32-bit edition) 2016 (64-bit edition) 2019 for 32-bit editions 2019 for 64-bit editions
Microsoft	Microsoft Office Word Viewer	Microsoft Office Word Viewer
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 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 10 Version 1703 for 32-bit Systems Windows 10 Version 1703 for x64-based Systems Windows 10 Version 1709 for 32-bit Systems Windows 10 Version 1709 for ARM64-based Systems Windows 10 Version 1709 for x64-based Systems Windows 10 Version 1803 for 32-bit Systems Windows 10 Version 1803 for ARM64-based Systems Windows 10 Version 1803 for x64-based Systems Windows 10 Version 1809 for 32-bit Systems Windows 10 Version 1809 for ARM64-based Systems Windows 10 Version 1809 for x64-based Systems 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 Windows Server 2016 Windows Server 2019
Microsoft	Microsoft Excel Viewer	2007 Service Pack 3
Microsoft	Internet Explorer 10	Windows Server 2012
Microsoft	Office	365 ProPlus for 32-bit Systems 365 ProPlus for 64-bit Systems

References

3 Links

Exploits & PoCs

46536

Vulnerability databases

106402

Other references

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0541

Record Details

Published

2019-01-08

Last updated

2025-10-21

Assigner (CNA)

microsoft

Credited to

More from Microsoft

CVE-2019-07089.8

Microsoft Remote Desktop Services Remote Code Execution Vulnerability

CVE-2021-344739.1

Microsoft Exchange Server Remote Code Execution Vulnerability

CVE-2025-537709.8

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2021-268559.1

Microsoft Exchange Server Remote Code Execution Vulnerability

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.