CVE-2026-69285: Microsoft Office Remote Code Execution Vulnerability
Published Sep 8, 2026
·Updated
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office Remote Code Execution Vulnerability
— Microsoft
Affected Software
20 affected componentsFixes available
Microsoft 365 Apps for Enterprise<16.0.20326.20138
16.0.20326.20138
Microsoft Office 2016<16.0.5569.1000
16.0.5569.1000
Microsoft Office 2019 for 32-bit editions<16.0.10417.20207
16.0.10417.20207
Microsoft Office 2016<16.0.5569.1000
16.0.5569.1000
Microsoft Office LTSC 2024 for 64-bit editions<16.0.17932.20976
16.0.17932.20976
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 Office LTSC 2021 for 32-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 LTSC 2021 for 64-bit editions<16.0.14334.20906
16.0.14334.20906
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Office 2016
Microsoft Office 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
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:13 PM
Data Sourced
via MITRE·05:13 PM
DescriptionSeverity
Data Sourced
via NVD·06:18 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Does exploitation require authentication or user interaction?
Authentication is not required, but user interaction is required. The issue is remotely exploitable with low attack complexity once the required interaction occurs.
2
What could an attacker achieve if exploitation succeeds?
A successful exploit can allow code execution. The reported impact includes high confidentiality, integrity, and availability consequences.
3
Which Office releases are listed as affected?
The affected software list includes Microsoft 365 Apps for Enterprise, Office 2016, 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.