CVE-2026-108451: Microsoft Office Word Remote Code Execution Vulnerability
Microsoft Office Word Remote Code Execution Vulnerability
Other sources
Numeric truncation error 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 https://aka.ms/OfficeSecurityReleases - 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 16.0.14334.20974
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker can be unauthorized and does not need prior privileges. Exploitation is network-based and requires user interaction.
Which Microsoft products are identified as affected?
The affected software list includes Microsoft 365 Apps for Enterprise, Microsoft Office Word, and Microsoft Office LTSC 2021 and 2024 for both 32-bit and 64-bit editions.