8.8High

CVE-2026-114151Visual Studio Remote Code Execution Vulnerability

Microsoft .NET 10.0 installed on Windows; Microsoft .NET 11.0 installed on Windows; Microsoft .NET 8.0 installed on Windows; Microsoft .NET 9.0 installed on Windows Published: 2026-11-10 21:19 (2 days ago)

Description

Deserialization of untrusted data in Visual Studio allows an unauthorized attacker to execute code over a network.

Weakness (CWE): CWE-502 CWE-121

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
Microsoft	Microsoft Visual Studio 2026 version 18.12	18.12.0 – < 18.12.0
Microsoft	.NET 10.0 installed on Windows	10.0.0 – < 10.0.15
Microsoft	.NET 11.0 installed on Windows	11.0.0-preview.1 – < 11.0.0
Microsoft	.NET 8.0 installed on Windows	8.0.0 – < 8.0.34
Microsoft	.NET 9.0 installed on Windows	9.0.0 – < 9.0.23

References and patches

Visual Studio Remote Code Execution Vulnerability vendor-advisorypatch

CVSS score

8.8High

Source: microsoft · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

All scores (2)

cna	CVSS 3.1	8.8High
secure@microsoft.com	CVSS 3.1	8.8High

EPSS (chance of exploitation in 30 days)

1.49%

higher than 75% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: total

Timeline

ID reserved2026-10-20
Published2026-11-10 21:19
Reached IP-DB2026-11-10 23:03
Last updated2026-11-13 00:46

Assigned by (CNA): microsoft
NVD status: Awaiting Analysis

View at source: CVE.org · NVD

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