ACTIVELY EXPLOITED
CVE-2019-0541: Microsoft MSHTML Remote Code Execution Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | MSHTML |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 3 May 2022 |
| Weakness (CWE) | CWE-77 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.
SOURCES
Other Microsoft flaws
- patchtuesday:2026-11: Vulnerability in Microsoft
- CVE-2026-124194: Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability
- CVE-2026-96951: Microsoft Windows Command Injection Vulnerability
- CVE-2026-65660: Microsoft SharePoint Code Injection Vulnerability
- CVE-2026-85880: Microsoft Windows Heap-Based Buffer Overflow Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.