CVSS 3.1
7.5 highCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:HCVE-2026-114155 .NET Elevation of Privilege Vulnerability
High (7.5) in microsoft. EPSS 0.3% estimated probability of exploitation activity in the next 30 days. Fixed in Microsoft.DotNet.HotReload.Watch.Aspire 10.0.404, 11.0.100.
On this page
Time-of-check time-of-use (toctou) race condition in .NET allows an authorized attacker to elevate privileges locally.
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 19th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-10. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
- Published
- Modified
- Assigned by
- microsoft (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
- 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
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Microsoft .NET 10.0 installed on Linux | from 10.0.0 before 10.0.404 |
| Microsoft .NET 10.0 installed on Mac OS | from 10.0.0 before 10.0.404 |
| Microsoft .NET 11.0 installed on Linux | from 11.0.0-preview.1 before 11.0.100 |
| Microsoft .NET 11.0 installed on Mac OS | from 11.0.0-preview.1 before 11.0.100 |
| Microsoft.DotNet.HotReload.Watch.Aspire | from 10.0.300 before 11.0.100 |
Fix and patched versions
Microsoft.DotNet.HotReload.Watch.Aspire(NuGet): fixed in 10.0.404, 11.0.100- Ubuntu, Alpine: fixed package versions per release
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-q7j6-px74-p2vw | NuGet | Microsoft.DotNet.HotReload.Watch.Aspire | >=10.0.300 <10.0.404 | 10.0.404 |
| GHSA-q7j6-px74-p2vw | NuGet | Microsoft.DotNet.HotReload.Watch.Aspire | >=10.0.400 <10.0.404 | 10.0.404 |
| GHSA-q7j6-px74-p2vw | NuGet | Microsoft.DotNet.HotReload.Watch.Aspire | >=11.0.100-preview.3.26207.106 <11.0.100 | 11.0.100 |
Linux distributions
| Distribution | Release | Package | Fixed in | Advisory |
|---|---|---|---|---|
| Ubuntu | 22.04:LTS | dotnet7 | no fix listed | UBUNTU-CVE-2026-114155 |
| Ubuntu | 22.04:LTS | dotnet8 | 8.0.134-8.0.34-0ubuntu1~22.04.1 | USN-9042-1 |
| Ubuntu | 24.04:LTS | dotnet10 | 10.0.115-10.0.15-0ubuntu1~24.04.1 | UBUNTU-CVE-2026-114155 USN-9042-1 |
| Ubuntu | 24.04:LTS | dotnet8 | 8.0.134-8.0.34-0ubuntu1~24.04.1 | USN-9042-1 |
| Ubuntu | 26.04:LTS | dotnet10 | 10.0.115-10.0.15-0ubuntu1~26.04.1 | UBUNTU-CVE-2026-114155 USN-9042-1 |
| Ubuntu | 26.10 | dotnet10 | 10.0.115-10.0.15-0ubuntu1~26.10.1 | UBUNTU-CVE-2026-114155 USN-9042-1 |
| Ubuntu | 26.10 | dotnet11 | 11.0.100-11.0.0-0ubuntu1~26.10.1 | UBUNTU-CVE-2026-114155 USN-9042-1 |
| Alpine | v3.24 | dotnet10-runtime | 10.0.15-r0 | ALPINE-CVE-2026-114155 |
From the distributions' data via OSV.dev: Ubuntu Security Notices © Canonical Ltd., CC BY-SA 4.0; the Alpine secdb, CC BY-SA 4.0. Modified: reformatted and linked to CVE records. Credits. On the distributions' own pages: Ubuntu · Alpine.
Red Hat
Red Hat rates this Important.
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | dotnet10.0 | Affected | |
| Red Hat Enterprise Linux 10 | dotnet11.0 | Affected | |
| Red Hat Enterprise Linux 8 | dotnet10.0 | Affected | |
| Red Hat Enterprise Linux 8 | dotnet11.0 | Affected | |
| Red Hat Enterprise Linux 9 | dotnet10.0 | Affected | |
| Red Hat Enterprise Linux 9 | dotnet11.0 | Affected | |
| Red Hat Hardened Images | dotnet10.0 | Not affected |
Contains Red Hat Security Data © Red Hat, Inc., licensed under CC BY 4.0. Source: https://access.redhat.com/security/data. Modified: reformatted. Red Hat's page for CVE-2026-114155.
Attack patterns (CAPEC)
- CAPEC-27 Leveraging Race Conditions via Symbolic Links Likelihood: Medium · Severity: High
- CAPEC-29 Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions Likelihood: High · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.