CVE-2026-105715: Microsoft Office Word Remote Code Execution Vulnerability
Integer overflow or wraparound 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
What must an attacker do to exploit this vulnerability?
The attacker would need to deliver malicious content over the network and rely on user interaction. No prior privileges are required.
Which environments should be reviewed for exposure?
Review deployments of Microsoft 365 Apps for Enterprise, Microsoft Office Word, Microsoft Office 365 for Mac, Office LTSC for Mac 2021 and 2024, and Office LTSC 2021 and 2024 for 32-bit and 64-bit editions.
What is the potential impact if exploitation succeeds?
Successful exploitation can allow unauthorized code execution and may affect confidentiality, integrity, and availability.