CVE-2026-64912: Microsoft Access Remote Code Execution Vulnerability
Microsoft Access Remote Code Execution Vulnerability
Other sources
Stack-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
— 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 16.0.5565.1000Patch KB5002832
Event History
Frequently Asked Questions
What is the severity of CVE-2026-64912?
CVE-2026-64912 has a high severity rating of 7.8, indicating a significant risk.
What is CVE-2026-64912?
CVE-2026-64912 is a stack-based buffer overflow vulnerability in Microsoft Access that can allow unauthorized remote code execution.
How do I fix CVE-2026-64912?
To fix CVE-2026-64912, update your Microsoft Office applications to the latest security patches provided by Microsoft.
Which software is affected by CVE-2026-64912?
CVE-2026-64912 affects Microsoft Access versions in Microsoft 365 Apps for Enterprise, Office LTSC 2021, Office LTSC 2024, and Office 2019.
What can an attacker achieve with CVE-2026-64912?
An attacker exploiting CVE-2026-64912 can execute arbitrary code locally on vulnerable systems.