Microsoft · MSHTML
CVE-2019-0541
Microsoft MSHTML Remote Code Execution Vulnerability
Qué es
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: Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.
Qué hacer
Apply updates per vendor instructions.
Plazo para las agencias federales de EE. UU.: 3 de mayo de 2022
Más fallos explotados de Microsoft
| Añadido | Vulnerabilidad | Producto | Gravedad | Prob. de ataque |
|---|---|---|---|---|
| 3 nov 2021 | Remote Code Execution | MSHTML | Alto 8,8 | 98% |
| 13 oct 2026 | Command Injection | Windows | Alto 8,8 | 9,8% |
| 25 sept 2026 | Code Injection | SharePoint | Alto 8,8 | 8,2% |
| 8 sept 2026 | Link Following | Windows | Alto 7,8 | 0,4% |
| 8 sept 2026 | Heap-Based Buffer Overflow | Windows | Alto 7,8 | 0,4% |
| 26 ago 2026 | Remote Code Execution | SQL Server | Alto 8,8 | 57% |
| 18 ago 2026 | Double Free | Internet Key Exchange (IKE) Service Extensions | Crítica 9,8 | 77% |
| 18 ago 2026 | Weak Authentication | SharePoint | Crítica 9,1 | 70% |
Fuentes: Known Exploited Vulnerabilities (CISA, dominio público), CVE records (cve.org) y EPSS (FIRST). La probabilidad de ataque es la estimación EPSS de que alguien intente explotar el fallo en los próximos 30 días.