CVE-2026-69778

Microsoft Office Access Remote Code Execution Vulnerability

CVE-2026-69778 is fixed in 4 products on 1 platform, first by KB5002913, released September 8, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.8

Important

Exploitation

None reported

Exploitation Unlikely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0082

57th percentile

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

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Access 2016 (32-bit edition)	KB5002913	Sep 8, 2026
Microsoft Access 2016 (64-bit edition)	KB5002913	Sep 8, 2026
Microsoft Office 2016 (32-bit edition)	KB5002913	Sep 8, 2026
Microsoft Office 2016 (64-bit edition)	KB5002913	Sep 8, 2026

Details

Published
September 8, 2026
Weakness
Heap-based Buffer Overflow
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69778

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