CVE-2026-114155

.NET Elevation of Privilege Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Time-of-check time-of-use (toctou) race condition in .NET allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-q7j6-px74-p2vw Microsoft Security Advisory CVE-2026-114155 - .NET Elevation of Privilege Vulnerability
Ubuntu USN Ubuntu USN USN-9042-1 .NET vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Time-of-check time-of-use (toctou) race condition in .NET allows an authorized attacker to elevate privileges locally.
Title .NET Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft .net 10.0 Installed On Linux
Microsoft .net 10.0 Installed On Mac Os
Microsoft .net 11.0 Installed On Linux
Microsoft .net 11.0 Installed On Mac Os
Microsoft microsoft.dotnet.hotreload.watch.aspire
Weaknesses CWE-367
CPEs cpe:2.3:a:microsoft:.net_10.0_installed_on_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_10.0_installed_on_mac_os:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_11.0_installed_on_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_11.0_installed_on_mac_os:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft.dotnet.hotreload.watch.aspire:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net 10.0 Installed On Linux
Microsoft .net 10.0 Installed On Mac Os
Microsoft .net 11.0 Installed On Linux
Microsoft .net 11.0 Installed On Mac Os
Microsoft microsoft.dotnet.hotreload.watch.aspire
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 12, 2026, 9:46 PM
Reserved
Oct 20, 2026, 9:56 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:19 PM
Modified
Nov 10, 2026, 8:18 PM
Severity
Important
Public date
Nov 10, 2026, 5:00 PM