CVE-2026-81385: Microsoft Office Publisher Remote Code Execution Vulnerability
Published Sep 8, 2026
·Updated
Deserialization of untrusted data in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office Publisher Remote Code Execution Vulnerability
— Microsoft
Affected Software
20 affected componentsFixes available
Microsoft Publisher 2016<16.0.5569.1002
16.0.5569.1002
Microsoft Office 2019 for 64-bit editions<16.0.10417.20207
16.0.10417.20207
Microsoft Office 2019 for 32-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 Publisher 2016<16.0.5569.1002
16.0.5569.1002
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 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 365 Apps
Microsoft 365 Apps
Microsoft Office 2019
Microsoft Office 2019
Microsoft Office 2021
Microsoft Office 2021
Microsoft Office 2024
Microsoft Office 2024
Microsoft Publisher=2016
Microsoft Publisher=2016
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
Description
CVE Published
via MITRE·05:18 PM
Data Sourced
via MITRE·05:18 PM
DescriptionSeverity
Data Sourced
via NVD·06:20 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Which Microsoft Office installations are listed as affected?
The affected software list includes Microsoft Publisher 2016; Microsoft 365 Apps for Enterprise; Office 2019 for 32-bit and 64-bit editions; Office LTSC 2021 for 32-bit and 64-bit editions; and Office LTSC 2024 for 32-bit and 64-bit editions.
2
Does exploitation require an authenticated account or user interaction?
The vulnerability is rated as requiring no privileges, so the attacker does not need an authenticated account. It does require user interaction.
3
What is the potential impact if exploitation succeeds?
An attacker can execute code, with high-rated impact to confidentiality, integrity, and availability.