CVE-2026-64906

Microsoft Access Remote Code Execution Vulnerability

CVE-2026-64906 is fixed in 2 products on 1 platform, first by KB5002832, released August 11, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0047

40th percentile

<p>Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.</p>

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Access 2016 (32-bit edition)	KB5002832	Aug 11, 2026
Microsoft Access 2016 (64-bit edition)	KB5002832	Aug 11, 2026

Details

Published
August 11, 2026
Weakness
Heap-based Buffer Overflow
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64906

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