Microsoft Visual Studio Products (August 2026)

high Nessus Plugin ID 338059

Synopsis

The Microsoft Visual Studio Products are affected by multiple vulnerabilities.

Description

The Microsoft Visual Studio Products are missing security updates. It is, therefore, affected by multiple vulnerabilities:

- Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally. (CVE-2026-62871)

- Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.
(CVE-2026-62901)

- Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network. (CVE-2026-62902)

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:
- Update to 17.14.38 for Visual Studio 2022 17.14
- Update to 18.8.3 for Visual Studio 2026 18.8

Plugin Details

Severity: High

ID: 338059

File Name: smb_nt_ms26_aug_visual_studio.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 8/19/2026

Updated: 8/19/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.79

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-2026-62871

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:visual_studio

Required KB Items: SMB/Registry/Enumerated, installed_sw/Microsoft Visual Studio

Patch Publication Date: 8/11/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-62871, CVE-2026-62886, CVE-2026-62897, CVE-2026-62898, CVE-2026-62899, CVE-2026-62900, CVE-2026-62901, CVE-2026-62902, CVE-2026-62909, CVE-2026-70354

CWE: 122, 190, 212, 248, 416, 444, 606, 693, 787, 829, 918

IAVA: 2026-A-0839

Detections

Analytics