CVE-2019-0541 Microsoft MSHTML Remote Code Execution
Remote attackers can execute arbitrary code via improper input validation in the MSHTML engine affecting Internet Explorer and Microsoft Office.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-0541?
CVE-2019-0541 is a high-severity code injection vulnerability in Microsoft Excel Viewer, published on 8 Jan 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-77
Which versions are affected by CVE-2019-0541?
It affects 5 products.
Products include Microsoft Excel Viewer, Microsoft Internet Explorer, Microsoft Office, Microsoft Office 365 Proplus, Microsoft Office Word Viewer.
How do I fix CVE-2019-0541?
No fix has been published for CVE-2019-0541 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2019-0541 being exploited?
Yes. Attackers have exploited CVE-2019-0541 in the wild since at least 3 Nov 2021.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Excel Viewer
Sources
Also known as GHSA-f832-7fhg-m78h.