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Microsoft Security Response CenterCVE-2026-69477

Microsoft Office Access Remote Code Execution Vulnerability

HighVendor CVSS 7.3 / 10 1 CVE Published Sep 8, 2026 at 7:00 AM UTC

Summary

Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.

Products covered

  • Microsoft Office 2019 for 32-bit editions

  • Microsoft Office 2019 for 64-bit editions

  • Microsoft 365 Apps for Enterprise for 32-bit Systems

  • Microsoft 365 Apps for Enterprise for 64-bit Systems

  • Microsoft Office LTSC 2021 for 64-bit editions

  • Microsoft Office LTSC 2021 for 32-bit editions

  • Microsoft Office LTSC 2024 for 32-bit editions

  • Microsoft Office LTSC 2024 for 64-bit editions

Show 2 more products
  • Microsoft Access 2016 (32-bit edition)

  • Microsoft Access 2016 (64-bit edition)

Remediation

Release Notes Install KB5002912.

Vendor-listed fixes

  • 16.0.10417.20207

  • 16.0.20326.20138

  • 16.0.14334.20906

  • 16.0.17932.20976

  • 16.0.5569.1000

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.