#VU89437 Security features bypass in Microsoft products - CVE-2024-30040

Vulnerability identifier: #VU89437

Vulnerability risk: Critical

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2024-30040

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Internet Explorer
Client/Desktop applications / Web browsers
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation within the Windows MSHTML Platform. A remote attacker can trick the victim to open or load a specially crafted file, bypass OLE mitigations in Microsoft 365 and Microsoft Office and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Internet Explorer: 11 - 11.1790.17763.0

Windows: before 10 21H2, 10 22H2, 10 1507, 10 1607, 10 1809, 11 21H2, 11 22H2, 11 23H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2, 10 21H2

Windows Server: before 2016, 2022, 2016, 2016

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-30040

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.