Security Updates for Microsoft Access Products (August 2026)

high Nessus Plugin ID 334625

Synopsis

The Microsoft Access Products are affected by multiple vulnerabilities.

Description

The Microsoft Access Products are missing a security update. They are, therefore, affected by multiple vulnerabilities:

- Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally. (CVE-2026-64906, CVE-2026-64908, CVE-2026-64914, CVE-2026-64920)

- Stack-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally. (CVE-2026-64912, CVE-2026-64919)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Microsoft has released the following security updates to address this issue:
- KB5002813
- KB5002832

See Also

https://support.microsoft.com/en-us/help/5002813

https://support.microsoft.com/en-us/help/5002832

Plugin Details

Severity: High

ID: 334625

File Name: smb_nt_ms26_aug_access.nasl

Version: 1.1

Type: Local

Agent: windows

Published: 8/11/2026

Updated: 8/11/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-64906

CVSS v3

Risk Factor: High

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:microsoft:access

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Patch Publication Date: 8/11/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-64906, CVE-2026-64908, CVE-2026-64912, CVE-2026-64914, CVE-2026-64919, CVE-2026-64920

MSFT: MS26-5002813, MS26-5002832

MSKB: 5002813, 5002832