Answer in brief
CVE-2019-0541 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Microsoft/Internet Explorer 10 (generic), Microsoft/Internet Explorer 11 (generic), Microsoft/Internet Explorer 9 (generic), Microsoft/Microsoft Excel Viewer (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Microsoft/Internet Explorer 10 (generic), Microsoft/Internet Explorer 11 (generic), Microsoft/Internet Explorer 9 (generic), Microsoft/Microsoft Excel Viewer (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Microsoft/Internet Explorer 10generic | Windows Server 2012 | Not reported |
| Microsoft/Internet Explorer 11generic | 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 | Not reported |
| Microsoft/Internet Explorer 9generic | Windows Server 2008 for 32-bit Systems Service Pack 2 || Windows Server 2008 for x64-based Systems Service Pack 2 | Not reported |
| Microsoft/Microsoft Excel Viewergeneric | 2007 Service Pack 3 | Not reported |
| Microsoft/Microsoft Officegeneric | 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 | Not reported |
| Microsoft/Microsoft Office Word Viewergeneric | Microsoft Office Word Viewer | Not reported |
| Microsoft/Officegeneric | 365 ProPlus for 32-bit Systems || 365 ProPlus for 64-bit Systems | Not reported |
Published upstream
Jan 8, 2019
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Nov 3, 2021
Evidence: source:kev:kev:kev:recordA 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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2019-0541 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Microsoft/Internet Explorer 10 (generic), Microsoft/Internet Explorer 11 (generic), Microsoft/Internet Explorer 9 (generic), Microsoft/Microsoft Excel Viewer (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Microsoft/Internet Explorer 10 (generic), Microsoft/Internet Explorer 11 (generic), Microsoft/Internet Explorer 9 (generic), Microsoft/Microsoft Excel Viewer (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Microsoft/Internet Explorer 10generic | Windows Server 2012 | Not reported |
| Microsoft/Internet Explorer 11generic | 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 | Not reported |
| Microsoft/Internet Explorer 9generic | Windows Server 2008 for 32-bit Systems Service Pack 2 || Windows Server 2008 for x64-based Systems Service Pack 2 | Not reported |
| Microsoft/Microsoft Excel Viewergeneric | 2007 Service Pack 3 | Not reported |
| Microsoft/Microsoft Officegeneric | 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 | Not reported |
| Microsoft/Microsoft Office Word Viewergeneric | Microsoft Office Word Viewer | Not reported |
| Microsoft/Officegeneric | 365 ProPlus for 32-bit Systems || 365 ProPlus for 64-bit Systems | Not reported |
Published upstream
Jan 8, 2019
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Nov 3, 2021
Evidence: source:kev:kev:kev:recordA 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.
Quoted source text, attributed separately from HOL analysis.