#VU80725 Spoofing attack in Microsoft products - CVE-2023-41764

Vulnerability identifier: #VU80725

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-41764

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office LTSC 2021
Other software / Other software solutions
Microsoft 365 Apps for Enterprise
Client/Desktop applications / Office applications
Microsoft Office
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Microsoft Office. A remote attacker can trick a victim to open a specially crafted file and spoof page content.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Office LTSC 2021: 32 bit editions - 64 bit editions

Microsoft 365 Apps for Enterprise: 32-bit Systems, 64-bit Systems

Microsoft Office: before 15.0.5589.1000, 16.0.5413.1000, 15.0.5589.1000, 15.0.5589.1000

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-41764

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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?

No. We are not aware of malware exploiting this vulnerability.