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CVE-2026-114155— .NET Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft .NET 10.0 installed on Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

.NET 中存在一个检查与使用之间的竞态条件（Time-of-check Time-of-use，TOCTOU），允许已授权的攻击者在本地提升权限。

CVSS 7.5 · High

Affected Version Matrix 5

VendorProduct Version RangeStatus
Microsoft .NET 10.0 installed on Linux 10.0.0< 10.0.404 affected
Microsoft .NET 10.0 installed on Mac OS 10.0.0< 10.0.404 affected
Microsoft .NET 11.0 installed on Linux 11.0.0-preview.1< 11.0.100 affected
Microsoft .NET 11.0 installed on Mac OS 11.0.0-preview.1< 11.0.100 affected
Microsoft Microsoft.DotNet.HotReload.Watch.Aspire 10.0.300< 11.0.100 affected
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I. Basic Information for CVE-2026-114155

Vulnerability Information
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Vulnerability Title
.NET Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Time-of-check time-of-use (toctou) race condition in .NET allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft .NET 10.0 installed on Linux 10.0.0 ~ 10.0.404 -
Microsoft .NET 10.0 installed on Mac OS 10.0.0 ~ 10.0.404 -
Microsoft .NET 11.0 installed on Linux 11.0.0-preview.1 ~ 11.0.100 -
Microsoft .NET 11.0 installed on Mac OS 11.0.0-preview.1 ~ 11.0.100 -
Microsoft Microsoft.DotNet.HotReload.Watch.Aspire 10.0.300 ~ 11.0.100 -

II. Public POCs for CVE-2026-114155

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III. Intelligence Information for CVE-2026-114155

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Other References for CVE-2026-114155 (1)

Same Patch Batch · Microsoft · 2026-11-10 · 1094 CVEs total

CVE-2026-120002 9.9 CRITICAL Microsoft SharePoint Server Elevation of Privilege Vulnerability
CVE-2026-109467 9.9 CRITICAL Azure DevOps Server Remote Code Execution Vulnerability
CVE-2026-88243 9.8 CRITICAL Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-88234 9.8 CRITICAL Windows iSCSI Remote Code Execution Vulnerability
CVE-2026-96067 9.8 CRITICAL Microsoft Color Management Remote Code Execution Vulnerability
CVE-2026-96157 9.8 CRITICAL Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2026-119958 9.8 CRITICAL Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
CVE-2026-112967 9.8 CRITICAL Windows Xbox Live Networking Service Remote Code Execution Vulnerability
CVE-2026-96078 9.8 CRITICAL Microsoft Color Management Remote Code Execution Vulnerability
CVE-2026-95901 9.8 CRITICAL Microsoft DirectMusic Remote Code Execution Vulnerability
CVE-2026-95882 9.8 CRITICAL Microsoft DirectMusic Remote Code Execution Vulnerability
CVE-2026-85844 9.8 CRITICAL Windows Kerberos Elevation of Privilege Vulnerability
CVE-2026-116928 9.8 CRITICAL Windows Search Remote Code Execution Vulnerability
CVE-2026-88218 9.8 CRITICAL Windows DNS Remote Code Execution Vulnerability
CVE-2026-116945 9.8 CRITICAL Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-119990 9.8 CRITICAL Azure OpenAI Elevation of Privilege Vulnerability
CVE-2026-114160 9.8 CRITICAL Azure Managed Grafana Elevation of Privilege Vulnerability
CVE-2026-66801 9.8 CRITICAL Microsoft Xbox Remote Code Execution Vulnerability
CVE-2026-120779 9.6 CRITICAL Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-114162 9.1 CRITICAL Microsoft Graph Elevation of Privilege Vulnerability

Showing top 20 of 1094 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: .NET 10.0 installed on Linux
Same vendor: Microsoft
Same weakness: CWE-367