CVE-2026-105595: Microsoft Office Access Remote Code Execution Vulnerability
Microsoft Office Access Remote Code Execution Vulnerability
Other sources
Out-of-bounds read in Microsoft Office Access 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 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
Which Microsoft Office deployments are identified as affected?
The affected software list includes Microsoft 365 Apps for Enterprise and Microsoft Office LTSC 2021 and LTSC 2024, for both 32-bit and 64-bit editions where listed.
Does exploitation require an authenticated account?
No. The vulnerability is described as allowing an unauthorized attacker to execute code over a network, and the vector specifies no privileges required.
Does a user need to interact with attacker-controlled content?
Yes. The CVSS vector includes UI:R, indicating that user interaction is required for exploitation.