#VU105552 Untrusted Pointer Dereference in Microsoft products - CVE-2025-24083

Vulnerability identifier: #VU105552

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-24083

CWE-ID: CWE-822

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to untrusted pointer dereference error in Microsoft Office. A remote attacker can trick the victim to open a specially crafted file, trigger pointer dereference and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Office: 2016, 2019

Microsoft Office LTSC: 2021 for Mac - 2024

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

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External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24083

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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.