CVEs / CVE-2019-0541
CVE-2019-0541: Microsoft MSHTML Remote Code Execution Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- high 8.8 CVSS 3.1 (NVD)
- EPSS 53.2% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Microsoft Office | 2010 Service Pack 2 (32-bit editions) | — |
| Microsoft Microsoft Office | 2010 Service Pack 2 (64-bit editions) | — |
| Microsoft Microsoft Office | 2013 RT Service Pack 1 | — |
| Microsoft Microsoft Office | 2013 Service Pack 1 (32-bit editions) | — |
| Microsoft Microsoft Office | 2013 Service Pack 1 (64-bit editions) | — |
| Microsoft Microsoft Office | 2016 (32-bit edition) | — |
| Microsoft Microsoft Office | 2016 (64-bit edition) | — |
| Microsoft Microsoft Office | 2019 for 32-bit editions | — |
| Microsoft Microsoft Office | 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 | — |
| Microsoft Internet Explorer 9 | Windows Server 2008 for x64-based Systems Service Pack 2 | — |
| Microsoft Internet Explorer 11 | Windows 10 for 32-bit Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 for x64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1607 for 32-bit Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1607 for x64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1703 for 32-bit Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1703 for x64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1709 for 32-bit Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1709 for ARM64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1709 for x64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1803 for 32-bit Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1803 for ARM64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1803 for x64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1809 for 32-bit Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1809 for ARM64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 10 Version 1809 for x64-based Systems | — |
| Microsoft Internet Explorer 11 | Windows 7 for 32-bit Systems Service Pack 1 | — |
| Microsoft Internet Explorer 11 | Windows 7 for x64-based Systems Service Pack 1 | — |
| Microsoft Internet Explorer 11 | Windows 8.1 for 32-bit systems | — |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-77 |
References
- CVE-2019-0541 on NVD
- CVE-2019-0541 in the CISA KEV catalog
- http://www.securityfocus.com/bid/106402 Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0541 Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/46536/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0541 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.