CVE-2019-0541: Microsoft MSHTML Remote Code Execution Vulnerability
CVE-2019-0541 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2021-11-03
A remote code execution vulnerability exists in the Microsoft MSHTML engine due to improper input validation. An attacker could exploit this by convincing a user to view specially crafted content, potentially leading to full system compromise.
Yes. CVE-2019-0541 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2019-0541?
Critical severity, with a CVSS score of 8.8, published 3 November 2021.
Which products and versions are affected?
Microsoft MSHTML engine; Microsoft Internet Explorer 9; Microsoft Internet Explorer 10; Microsoft Internet Explorer 11; and 3 more.
Is there a fix for CVE-2019-0541?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2019-0541 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2019-0541?
Check whether you run Microsoft Mshtml. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Microsoft MSHTML engine
Microsoft Internet Explorer 9
Microsoft Internet Explorer 10
Microsoft Internet Explorer 11
Microsoft Office 365 ProPlus
Microsoft Office Word Viewer
Microsoft Excel Viewer
Timeline
2019-01-08: advisory: MSRC advisory published (based on CVE ID year and bid date)
2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog