# CVE-2026-69477

## Summary

- **CVE ID:** CVE-2026-69477
- **Severity:** HIGH
- **CVSS Score:** 7.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
- **CWE:** CWE-122
- **Published:** Sep 8, 2026
- **Last Modified:** Sep 18, 2026

## Description

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

## Affected Products

- Microsoft — Microsoft 365 Apps for Enterprise (16.0.1)
- Microsoft — Microsoft Access 2016 (16.0.0)
- Microsoft — Microsoft Access 2016 (32-bit edition) (16.0.0)
- Microsoft — Microsoft Office 2019 (19.0.0)
- Microsoft — Microsoft Office LTSC 2021 (16.0.1)
- Microsoft — Microsoft Office LTSC 2024 (16.0.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69477)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.41%
- **EPSS Percentile:** 35.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._