Microsoft Visual Studio Products (August 2026)

high Nessus Plugin ID 338059

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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: 1.2

Type: Local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 8/19/2026

Updated: 8/20/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.75

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-70354

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:visual_studio

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

Exploit Ease: No known exploits are available

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