CVE-2026-70300: Microsoft Office Word Remote Code Execution Vulnerability
Microsoft Office Word Remote Code Execution Vulnerability
Other sources
Untrusted pointer dereference 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 16.0.17932.21056 - 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 16.0.14334.20974
Event History
Frequently Asked Questions
Which Office installations are identified as affected?
The affected products listed are Microsoft 365 Apps for Enterprise and Microsoft Office LTSC 2021 and LTSC 2024, in both 32-bit and 64-bit editions where specified.
Does exploitation require an authenticated account or user interaction?
No. The supplied vector identifies network attack access with low complexity, no privileges required, and no user interaction required.
What impact could successful exploitation have?
Successful exploitation could allow code execution and is rated as having high confidentiality, integrity, and availability impact.