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CVE-2026-114158

HighCVSS 8.8/10Last modified Nov 10, 2026

Description

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
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
Microsoft	Microsoft Visual Studio 2026 version 18.11	>= 18.11.0, < 18.11.4
Microsoft	Microsoft Visual Studio 2026 version 18.12	>= 18.12.0, < 18.12.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114158

Timeline

Published: Nov 10, 2026
Last modified: Nov 10, 2026
NVD status: Awaiting Analysis

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CVE-2026-114158: High severity, CVSS 8.8 | Vulnix