Security Updates for Microsoft Visual Studio Products 17.14.42 and 18.10.4 (October 2026)

critical Nessus Plugin ID 366085

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:

- Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network. (CVE-2026-105016)

- Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network. (CVE-2026-88092)

- Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network. (CVE-2026-70188)

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 17.14.42 for Visual Studio 2022
- Update 18.10.4 for Visual Studio 2026

Plugin Details

Severity: Critical

ID: 366085

File Name: smb_nt_ms26_oct_visual_studio_cve_2026_102869.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 10/15/2026

Updated: 10/15/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.37

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2026-105016

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: 10/13/2026

Vulnerability Publication Date: 10/13/2026

Reference Information

CVE: CVE-2026-102869, CVE-2026-102870, CVE-2026-103572, CVE-2026-105016, CVE-2026-58280, CVE-2026-66822, CVE-2026-69651, CVE-2026-70007, CVE-2026-70035, CVE-2026-70159, CVE-2026-70161, CVE-2026-70162, CVE-2026-70165, CVE-2026-70174, CVE-2026-70175, CVE-2026-70179, CVE-2026-70181, CVE-2026-70183, CVE-2026-70186, CVE-2026-70188, CVE-2026-70190, CVE-2026-70194, CVE-2026-70196, CVE-2026-70197, CVE-2026-83520, CVE-2026-84008, CVE-2026-85363, CVE-2026-85790, CVE-2026-87697, CVE-2026-88092, CVE-2026-92707, CVE-2026-96222, CVE-2026-96224, CVE-2026-96225, CVE-2026-96229, CVE-2026-96230, CVE-2026-96231, CVE-2026-96232, CVE-2026-96234, CVE-2026-96235, CVE-2026-96236, CVE-2026-96237, CVE-2026-96238, CVE-2026-96957

CWE: 122, 125, 1325, 183, 190, 201, 22, 290, 295, 346, 347, 358, 362, 405, 407, 416, 444, 502, 59, 640, 674, 770, 787, 79, 829, 833, 843, 94

Detections

Analytics