CVE-2026-108444: Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office 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 16.114.26101123 - 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 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
What must an attacker do to exploit this vulnerability?
The attacker would need to reach the target over the network and persuade a user to interact with malicious content. No prior privileges are required.
What impact could successful exploitation have?
Successful exploitation could allow remote code execution with high impact to confidentiality, integrity, and availability.
Which Office deployments are listed as affected?
The listed products include Microsoft 365 Apps for Enterprise; Microsoft Office; Office 365 for Mac; Office LTSC 2024 for 32-bit and 64-bit editions; Office LTSC for Mac 2024; Office LTSC 2021 for 32-bit editions; and Office LTSC for Mac 2021.