CVE-2026-69614

Published: Sep 8, 2026Modified: Sep 10, 2026

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Stack-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

Affected (10)

Products: Microsoft: 365 Apps, Access, Office 2019, Office 2021, Office 2024

5 products

Configuration A

10 vulnerable

Vulnerable Software	Affected Versions
Microsoft 365 Apps	All versions
Microsoft 365 Apps	All versions
Microsoft Access	Version 2016
Microsoft Access	Version 2016
Microsoft Office 2019	All versions
Microsoft Office 2019	All versions
Microsoft Office 2021	All versions
Microsoft Office 2021	All versions
Microsoft Office 2024	All versions
Microsoft Office 2024	All versions

Related CWEs

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69614

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.