Vulnerability · Published Oct 29, 2026 · Assigned by microsoft
CVE-2026-114148ASP.NET Core Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity incorrect default permissions in ASP.NET Core runtime and targeting-pack Linux tarballs (Microsoft-published) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 70.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | aspnetcore-runtime-10.0 | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | aspnetcore-runtime-10.0 | 10.0.14-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | aspnetcore-runtime-10.0 | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | aspnetcore-runtime-11.0 | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | aspnetcore-runtime-8.0 | 8.0.33-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | aspnetcore-runtime-8.0 | 8.0.33-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | aspnetcore-runtime-8.0 | 8.0.33-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | aspnetcore-runtime-9.0 | 9.0.22-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | aspnetcore-runtime-9.0 | 9.0.22-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | aspnetcore-runtime-9.0 | 9.0.22-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | aspnetcore-runtime-dbg-10.0 | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | aspnetcore-runtime-dbg-10.0 | 10.0.14-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | aspnetcore-runtime-dbg-10.0 | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | aspnetcore-runtime-dbg-11.0 | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | aspnetcore-runtime-dbg-8.0 | 8.0.33-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | aspnetcore-runtime-dbg-8.0 | 8.0.33-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | aspnetcore-runtime-dbg-8.0 | 8.0.33-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | aspnetcore-runtime-dbg-9.0 | 9.0.22-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | aspnetcore-runtime-dbg-9.0 | 9.0.22-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | aspnetcore-runtime-dbg-9.0 | 9.0.22-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | aspnetcore-targeting-pack-10.0 | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | aspnetcore-targeting-pack-10.0 | 10.0.14-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | aspnetcore-targeting-pack-10.0 | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | aspnetcore-targeting-pack-11.0 | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | aspnetcore-targeting-pack-8.0 | 8.0.33-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | aspnetcore-targeting-pack-8.0 | 8.0.33-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | aspnetcore-targeting-pack-8.0 | 8.0.33-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | aspnetcore-targeting-pack-9.0 | 9.0.22-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | aspnetcore-targeting-pack-9.0 | 9.0.22-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | aspnetcore-targeting-pack-9.0 | 9.0.22-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:8 | dotnet | 11.0.100~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-apphost-pack-10.0 | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-apphost-pack-10.0 | 10.0.14-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-apphost-pack-10.0 | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-apphost-pack-11.0 | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-apphost-pack-8.0 | 8.0.33-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-apphost-pack-8.0 | 8.0.33-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-apphost-pack-8.0 | 8.0.33-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-apphost-pack-9.0 | 9.0.22-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-apphost-pack-9.0 | 9.0.22-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-apphost-pack-9.0 | 9.0.22-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-host | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-host | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:9 | dotnet-host | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:10 | dotnet-hostfxr-10.0 | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-hostfxr-10.0 | 10.0.14-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-hostfxr-10.0 | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-hostfxr-11.0 | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-hostfxr-8.0 | 8.0.33-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-hostfxr-8.0 | 8.0.33-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-hostfxr-8.0 | 8.0.33-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-hostfxr-9.0 | 9.0.22-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-hostfxr-9.0 | 9.0.22-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-hostfxr-9.0 | 9.0.22-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-runtime-10.0 | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-runtime-10.0 | 10.0.14-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-runtime-10.0 | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-runtime-11.0 | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-runtime-8.0 | 8.0.33-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-runtime-8.0 | 8.0.33-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-runtime-8.0 | 8.0.33-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-runtime-9.0 | 9.0.22-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-runtime-9.0 | 9.0.22-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-runtime-9.0 | 9.0.22-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-runtime-dbg-10.0 | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-runtime-dbg-10.0 | 10.0.14-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-runtime-dbg-10.0 | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-runtime-dbg-11.0 | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-runtime-dbg-8.0 | 8.0.33-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-runtime-dbg-8.0 | 8.0.33-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-runtime-dbg-8.0 | 8.0.33-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-runtime-dbg-9.0 | 9.0.22-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-runtime-dbg-9.0 | 9.0.22-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-runtime-dbg-9.0 | 9.0.22-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-sdk-10.0 | 10.0.114-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-sdk-10.0 | 10.0.114-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-sdk-10.0 | 10.0.114-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:10 | dotnet-sdk-10.0-source-built-artifacts | 10.0.114-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-sdk-10.0-source-built-artifacts | 10.0.114-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-sdk-10.0-source-built-artifacts | 10.0.114-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-sdk-11.0 | 11.0.100~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:8 | dotnet-sdk-11.0-source-built-artifacts | 11.0.100~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-sdk-8.0 | 8.0.133-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-sdk-8.0 | 8.0.133-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-sdk-8.0 | 8.0.133-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-sdk-8.0-source-built-artifacts | 8.0.133-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-sdk-8.0-source-built-artifacts | 8.0.133-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-sdk-8.0-source-built-artifacts | 8.0.133-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-sdk-9.0 | 9.0.123-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-sdk-9.0 | 9.0.123-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-sdk-9.0 | 9.0.123-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-sdk-9.0-source-built-artifacts | 9.0.123-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-sdk-9.0-source-built-artifacts | 9.0.123-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-sdk-9.0-source-built-artifacts | 9.0.123-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-sdk-aot-10.0 | 10.0.114-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-sdk-aot-10.0 | 10.0.114-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-sdk-aot-10.0 | 10.0.114-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-sdk-aot-11.0 | 11.0.100~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-sdk-aot-9.0 | 9.0.123-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-sdk-aot-9.0 | 9.0.123-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-sdk-aot-9.0 | 9.0.123-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-sdk-dbg-10.0 | 10.0.114-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-sdk-dbg-10.0 | 10.0.114-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-sdk-dbg-10.0 | 10.0.114-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-sdk-dbg-11.0 | 11.0.100~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-sdk-dbg-8.0 | 8.0.133-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-sdk-dbg-8.0 | 8.0.133-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-sdk-dbg-8.0 | 8.0.133-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-sdk-dbg-9.0 | 9.0.123-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-sdk-dbg-9.0 | 9.0.123-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-sdk-dbg-9.0 | 9.0.123-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-targeting-pack-10.0 | 10.0.14-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-targeting-pack-10.0 | 10.0.14-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-targeting-pack-10.0 | 10.0.14-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-targeting-pack-11.0 | 11.0.0~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-targeting-pack-8.0 | 8.0.33-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-targeting-pack-8.0 | 8.0.33-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-targeting-pack-8.0 | 8.0.33-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-targeting-pack-9.0 | 9.0.22-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-targeting-pack-9.0 | 9.0.22-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-targeting-pack-9.0 | 9.0.22-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | dotnet-templates-10.0 | 10.0.114-1.el10_2 | ALSA-2026:92438 |
| AlmaLinux:8 | dotnet-templates-10.0 | 10.0.114-1.el8_10 | ALSA-2026:92431 |
| AlmaLinux:9 | dotnet-templates-10.0 | 10.0.114-1.el9_8 | ALSA-2026:92432 |
| AlmaLinux:8 | dotnet-templates-11.0 | 11.0.100~rc.3.26522.148-0.12.el8_10 | ALSA-2026:92511 |
| AlmaLinux:10 | dotnet-templates-8.0 | 8.0.133-1.el10_2 | ALSA-2026:92428 |
| AlmaLinux:8 | dotnet-templates-8.0 | 8.0.133-1.el8_10 | ALSA-2026:92420 |
| AlmaLinux:9 | dotnet-templates-8.0 | 8.0.133-1.el9_8 | ALSA-2026:92492 |
| AlmaLinux:10 | dotnet-templates-9.0 | 9.0.123-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | dotnet-templates-9.0 | 9.0.123-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | dotnet-templates-9.0 | 9.0.123-1.el9_8 | ALSA-2026:92429 |
| AlmaLinux:10 | netstandard-targeting-pack-2.1 | 9.0.123-1.el10_2 | ALSA-2026:92430 |
| AlmaLinux:8 | netstandard-targeting-pack-2.1 | 9.0.123-1.el8_10 | ALSA-2026:92427 |
| AlmaLinux:9 | netstandard-targeting-pack-2.1 | 9.0.123-1.el9_8 | ALSA-2026:92429 |
| Alpine:v3.24 | dotnet10-runtime | 10.0.14-r0 | ALPINE-CVE-2026-114148 |
| Alpine:v3.22 | dotnet8-runtime | 8.0.33-r0 | ALPINE-CVE-2026-114148 |
| Alpine:v3.23 | dotnet8-runtime | 8.0.33-r0 | ALPINE-CVE-2026-114148 |
| Alpine:v3.24 | dotnet8-runtime | 8.0.33-r0 | ALPINE-CVE-2026-114148 |
| Alpine:v3.22 | dotnet9-runtime | 9.0.22-r0 | ALPINE-CVE-2026-114148 |
| Alpine:v3.23 | dotnet9-runtime | 9.0.22-r0 | ALPINE-CVE-2026-114148 |
| Alpine:v3.24 | dotnet9-runtime | 9.0.22-r0 | ALPINE-CVE-2026-114148 |
| Rocky Linux:10 | dotnet10.0 | 0:10.0.114-1.el10_2 | RLSA-2026:92438 |
| Rocky Linux:8 | dotnet10.0 | 0:10.0.114-1.el8_10 | RLSA-2026:92431 |
| Rocky Linux:9 | dotnet10.0 | 0:10.0.114-1.el9_8 | RLSA-2026:92432 |
| Rocky Linux:8 | dotnet11.0 | 0:11.0.100~rc.3.26522.148-0.12.el8_10 | RLSA-2026:92511 |
| Rocky Linux:10 | dotnet8.0 | 0:8.0.133-1.el10_2 | RLSA-2026:92428 |
| Rocky Linux:8 | dotnet8.0 | 0:8.0.133-1.el8_10 | RLSA-2026:92420 |
| Rocky Linux:9 | dotnet8.0 | 0:8.0.133-1.el9_8 | RLSA-2026:92492 |
| Rocky Linux:10 | dotnet9.0 | 0:9.0.123-1.el10_2 | RLSA-2026:92430 |
| Rocky Linux:8 | dotnet9.0 | 0:9.0.123-1.el8_10 | RLSA-2026:92427 |
| Rocky Linux:9 | dotnet9.0 | 0:9.0.123-1.el9_8 | RLSA-2026:92429 |
| Ubuntu:24.04:LTS | dotnet10 | 10.0.114-10.0.14-0ubuntu1~24.04.1 | USN-8958-1 |
| Ubuntu:24.04:LTS | dotnet10 | 10.0.114-10.0.14-0ubuntu1~24.04.1 | UBUNTU-CVE-2026-114148 |
| Ubuntu:26.04:LTS | dotnet10 | 10.0.114-10.0.14-0ubuntu1~26.04.1 | USN-8958-1 |
| Ubuntu:26.04:LTS | dotnet10 | 10.0.114-10.0.14-0ubuntu1~26.04.1 | UBUNTU-CVE-2026-114148 |
| Ubuntu:26.10 | dotnet10 | 10.0.114-10.0.14-0ubuntu1~26.10.1 | UBUNTU-CVE-2026-114148 |
| Ubuntu:26.10 | dotnet10 | 10.0.114-10.0.14-0ubuntu1~26.10.1 | USN-8958-1 |
| Ubuntu:26.10 | dotnet11 | 11.0.100-11.0.0~rc3-0ubuntu1~26.10.1 | UBUNTU-CVE-2026-114148 |
| Ubuntu:26.10 | dotnet11 | 11.0.100-11.0.0~rc3-0ubuntu1~26.10.1 | USN-8958-1 |
| Ubuntu:22.04:LTS | dotnet6 | no fix listed | UBUNTU-CVE-2026-114148 |
| Ubuntu:22.04:LTS | dotnet7 | no fix listed | UBUNTU-CVE-2026-114148 |
| Ubuntu:22.04:LTS | dotnet8 | 8.0.133-8.0.33-0ubuntu1~22.04.1 | USN-8958-1 |
| Ubuntu:22.04:LTS | dotnet8 | 8.0.133-8.0.33-0ubuntu1~22.04.1 | UBUNTU-CVE-2026-114148 |
| Ubuntu:24.04:LTS | dotnet8 | 8.0.133-8.0.33-0ubuntu1~24.04.1 | UBUNTU-CVE-2026-114148 |
| Ubuntu:24.04:LTS | dotnet8 | 8.0.133-8.0.33-0ubuntu1~24.04.1 | USN-8958-1 |
Affected products (as reported)
Weakness: CWE-276 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- ASP.NET Core Elevation of Privilege Vulnerability vendor-advisory, patch