CVE-2026-105597: 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 16.0.17932.21056 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
Does exploitation require authentication or user interaction?
The CVSS vector indicates that no attacker privileges are required, but user interaction is required. The attack vector is network-based and has low attack complexity.
Which Microsoft Office products are listed as affected?
The affected software list includes Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021 for 32-bit and 64-bit editions, Microsoft Office LTSC 2024 for 32-bit and 64-bit editions, and Microsoft Office Access.