CVE-2026-105592: Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office Access 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 16.0.14334.20974 - 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
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The vulnerability is remotely reachable and requires no privileges, but user interaction is required. Exploitation also has high attack complexity.
Which deployments should be prioritized for review?
Review systems with Microsoft Office Access, Microsoft 365 Apps for Enterprise, or Microsoft Office LTSC 2021 or 2024 installations, including both 32-bit and 64-bit LTSC editions.
What is the potential impact of successful exploitation?
Successful exploitation can allow code execution and may affect the confidentiality, integrity, and availability of the affected system.