CVE-2026-81385: Microsoft Office Publisher Remote Code Execution Vulnerability
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5569.1002Patch KB5002644 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20896 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20207 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.20326.20138 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.20960
Event History
Frequently Asked Questions
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.
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.
What is the potential impact if exploitation succeeds?
An attacker can execute code, with high-rated impact to confidentiality, integrity, and availability.