CVE-2026-108450: Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office Word Remote Code Execution Vulnerability
— 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
Which Microsoft Office deployments are identified as affected?
The affected software list includes Microsoft 365 Apps for Enterprise, Microsoft Word, and Microsoft Office LTSC 2021 and LTSC 2024 in both 32-bit and 64-bit editions.
What conditions are required for exploitation?
The vulnerability is rated as network-accessible with low attack complexity and requires no attacker privileges. User interaction is required, so exploitation depends on a user taking an action involving attacker-supplied content.