CVE-2026-69477: Microsoft Office Access Remote Code Execution Vulnerability
Published Sep 8, 2026
·Updated
Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
Other sources
Microsoft Office Access Remote Code Execution Vulnerability
— Microsoft
Affected Software
20 affected componentsFixes available
Microsoft Access 2016<16.0.5569.1000
16.0.5569.1000
Microsoft Access 2016<16.0.5569.1000
16.0.5569.1000
Microsoft Office LTSC 2021 for 32-bit editions<16.0.14334.20906
16.0.14334.20906
Microsoft Office LTSC 2024 for 64-bit editions<16.0.17932.20976
16.0.17932.20976
Microsoft Office LTSC 2021 for 64-bit editions<16.0.14334.20906
16.0.14334.20906
Microsoft Office LTSC 2024 for 32-bit editions<16.0.17932.20976
16.0.17932.20976
Microsoft Office 2019 for 32-bit editions<16.0.10417.20207
16.0.10417.20207
Microsoft Office 2019 for 64-bit editions<16.0.10417.20207
16.0.10417.20207
Microsoft 365 Apps for Enterprise<16.0.20326.20138
16.0.20326.20138
Microsoft 365 Apps for Enterprise<16.0.20326.20138
16.0.20326.20138
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Access=2016
Microsoft Access=2016
Microsoft Office 2019
Microsoft Office 2019
Microsoft Office 2021
Microsoft Office 2021
Microsoft Office 2024
Microsoft Office 2024
Remediation
Event History
Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:17 PM
Data Sourced
via MITRE·05:17 PM
DescriptionSeverity
Data Sourced
via NVD·06:19 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What access and user interaction are required for exploitation?
The attacker must be authorized with local access and requires user interaction. The provided data does not specify the exact interaction or delivery mechanism.
2
Which Microsoft Access deployments are listed as affected?
The affected software list includes Access 2016; Microsoft 365 Apps for Enterprise; Office 2019 in 32-bit and 64-bit editions; Office LTSC 2021 in 32-bit and 64-bit editions; and Office LTSC 2024 in 32-bit and 64-bit editions.