Vulnerability identifier: #VU95841

Vulnerability risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2024-38189

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications
Microsoft Project
Client/Desktop applications / Office applications
Microsoft 365 Apps for Enterprise
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trick the victim into opening a specially crafted file 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 Office: 2019, 2016

Microsoft Project: 2016, 2019

Microsoft 365 Apps for Enterprise: 16.0.5413.1000 - 16.0.17726.20160, 15.0.5589.1001, 2306 16529.20182, 2305 16501.20242, 2304 16327.20348, 2302 16130.20644, 2208 15601.20706, 2202 14931.21040, 2306 16529.20154, 2305 16501.20210, 2304 16327.20324, 2303 16227.20354, 2302 16130.20580, 2208 15601.20680, 2202 14931.21024, 2305 16501.20196, 2304 16327.20248, 2303 16227.20318, 2302 16130.20500, 2208 15601.20660, 2202 14931.21000, 2304 16327.20214, 64-bit Systems, 32-bit Systems

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-38189

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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.