Vulnerability Intelligence Report
Microsoft Office Publisher Remote Code Execution Vulnerability
CVE-2026-81385
Deserialization of untrusted data in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.
Deserialization
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:1.02%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-502 ↗CWE-502: Deserialization of Untrusted Data
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 < 16.0.20326.20138 (affected) |
| Microsoft | Microsoft Office 2019 | 19.0.0 < 16.0.10417.20207 (affected) |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 < 16.0.14334.20906 (affected) |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 < 16.0.17932.20976 (affected) |
| Microsoft | Microsoft Publisher 2016 | 16.0.0 < 16.0.5569.1002 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-08-26T18:46:26 |
| Published | 2026-09-08T17:18:52 |
| Patch Date | 2026-09-08 |
| Last Updated | 2026-09-23T22:39:54 |
Community Chatter & Buzz