CVE-2026-64906: Microsoft Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
Other sources
Microsoft 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 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-2026-64906?
CVE-2026-64906 has a severity rating of high, with a score of 7.8.
What are the potential impacts of CVE-2026-64906?
CVE-2026-64906 allows an unauthorized attacker to execute code locally through a heap-based buffer overflow.
Which software is affected by CVE-2026-64906?
CVE-2026-64906 affects Microsoft Access 2016, Microsoft 365 Apps for Enterprise, and various editions of Microsoft Office LTSC and Office 2019.
How do I fix CVE-2026-64906?
To fix CVE-2026-64906, apply the latest security updates provided by Microsoft for the affected software.
Is CVE-2026-64906 exploitable remotely?
CVE-2026-64906 is considered to have local exploitation potential, meaning it requires local access to the system.