Security Updates for Microsoft Visual Studio Products (June 2026)

high Nessus Plugin ID 321156

Synopsis

The Microsoft Visual Studio Products are affected by a vulnerability.

Description

The Microsoft Visual Studio Products are missing a security update. It is, therefore, affected by a denial of service vulnerability:

- Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-45591)

Note that Nessus has not tested for this issue 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 18.6.3 for Visual Studio 2026 18.6

Plugin Details

Severity: High

ID: 321156

File Name: smb_nt_ms26_jun_visual_studio.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 6/16/2026

Updated: 6/16/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

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

CVSS Score Source: CVE-2026-45591

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/a:microsoft:visual_studio

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

Patch Publication Date: 6/9/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2026-45591

CWE: 400

Detections

Analytics