CVE-2026-69778: 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
Event History
Frequently Asked Questions
What user action is required for exploitation?
The provided severity vector indicates user interaction is required. The data does not specify the exact action an attacker would need the user to take.
Can an unauthenticated attacker exploit this remotely?
Yes. The severity vector lists network attack vector and no privileges required, indicating an unauthorized attacker can attempt exploitation over a network without prior authentication.
What is the potential impact of successful exploitation?
Successful exploitation can allow code execution and has high impacts on confidentiality, integrity, and availability according to the severity vector.
Which products are identified as affected?
The listed software includes Microsoft 365 Apps for Enterprise, Microsoft Access 2016, Microsoft Office 2016, Microsoft Office 2019 for 64-bit editions, and Microsoft Office LTSC 2021 and LTSC 2024 for both 32-bit and 64-bit editions.