Remote code execution in Microsoft Office



Published: 2022-08-09
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-34717
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Microsoft Office LTSC 2021
Other software / Other software solutions

Microsoft Office
Client/Desktop applications / Office applications

Microsoft 365 Apps for Enterprise
Client/Desktop applications / Other client software

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU66308

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-34717

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the Microsoft Office. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

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

Microsoft Office: 2013 RT Service Pack 1 - 2019

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


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34717

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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