# CVE-2019-0541: Microsoft MSHTML Remote Code Execution Vulnerability

> CVE-2019-0541: Microsoft MSHTML Remote Code Execution Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2019-0541
Last updated: 2025-10-21T23:45:44Z

- Published: 2019-01-08 21:00 UTC · Updated: 2025-10-21 23:45 UTC · Assigner: microsoft
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 53.2%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Unknown

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft: Internet Explorer 10
- Microsoft: Internet Explorer 11
- Microsoft: Internet Explorer 9
- Microsoft: Microsoft Excel Viewer
- Microsoft: Microsoft Office
- Microsoft: Microsoft Office Word Viewer
- Microsoft: Office

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2019-0541)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2019-0541)
- [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0541](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0541)
- [https://www.exploit-db.com/exploits/46536/](https://www.exploit-db.com/exploits/46536/)
- [http://www.securityfocus.com/bid/106402](http://www.securityfocus.com/bid/106402)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2019-0541 · Markdown: https://rewindex.com/cve/CVE-2019-0541.md · JSON: https://rewindex.com/api/v1/cves/CVE-2019-0541 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:46:48.195Z