CVE-2026-108442: Microsoft Office Word Remote Code Execution Vulnerability
Microsoft Office Word Remote Code Execution Vulnerability
Other sources
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20974 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.21056 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.114.26101123 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
Which environments should be prioritized for assessment?
Assess systems running Microsoft 365 Apps for Enterprise, Microsoft Office Word, or the listed Office LTSC 2021 and 2024 editions for 32-bit, 64-bit, and Mac. The provided data does not identify affected build numbers.
What does an attacker need to exploit this issue?
The attacker does not need prior privileges and can attack over a network, but user interaction is required. This indicates exploitation depends on a user taking an action involving attacker-supplied content.
What is the potential impact if exploitation succeeds?
Successful exploitation can allow code execution with high impact to confidentiality, integrity, and availability. The vulnerability is rated high severity with a CVSS score of 8.8.