CVE-2026-81385HighCVSS 8.8

Microsoft Office Publisher Remote Code Execution Vulnerability

Published
September 11, 2026
Last Modified

🔗 CVE IDs covered (1)

📋 Description

Deserialization of untrusted data in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.

🎯 Affected products10

  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft Office 2019 for 32-bit editions
  • Microsoft Office 2019 for 64-bit editions
  • Microsoft Office LTSC 2021 for 32-bit editions
  • Microsoft Office LTSC 2021 for 64-bit editions
  • Microsoft Office LTSC 2024 for 32-bit editions
  • Microsoft Office LTSC 2024 for 64-bit editions
  • Microsoft Publisher 2016 (32-bit edition)
  • Microsoft Publisher 2016 (64-bit edition)

✅ Remediation

KBRelease Notes (Security Update) — fixed build 16.0.10417.20207 KBRelease Notes (Security Update) — fixed build 16.0.20326.20138 KBRelease Notes (Security Update) — fixed build 16.0.14334.20906 KBRelease Notes (Security Update) — fixed build 16.0.17932.20976 KB5002644 (Security Update) — fixed build 16.0.5569.1002

🔗 References (5)