Vulnerability · Published Oct 14, 2025 · Assigned by microsoft
CVE-2025-55247.NET Elevation of Privilege Vulnerability
High 7.3
In plain English
A high-severity security flaw in .NET 8.0 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.6%top 50.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | aspnetcore-runtime-8.0 | 8.0.21-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | aspnetcore-runtime-8.0 | 8.0.21-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | aspnetcore-runtime-8.0 | 8.0.21-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | aspnetcore-runtime-9.0 | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | aspnetcore-runtime-9.0 | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | aspnetcore-runtime-9.0 | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | aspnetcore-runtime-dbg-8.0 | 8.0.21-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | aspnetcore-runtime-dbg-8.0 | 8.0.21-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | aspnetcore-runtime-dbg-8.0 | 8.0.21-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | aspnetcore-runtime-dbg-9.0 | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | aspnetcore-runtime-dbg-9.0 | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | aspnetcore-runtime-dbg-9.0 | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | aspnetcore-targeting-pack-8.0 | 8.0.21-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | aspnetcore-targeting-pack-8.0 | 8.0.21-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | aspnetcore-targeting-pack-8.0 | 8.0.21-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | aspnetcore-targeting-pack-9.0 | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | aspnetcore-targeting-pack-9.0 | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | aspnetcore-targeting-pack-9.0 | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:8 | dotnet | 9.0.111-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:10 | dotnet-apphost-pack-8.0 | 8.0.21-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-apphost-pack-8.0 | 8.0.21-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-apphost-pack-8.0 | 8.0.21-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-apphost-pack-9.0 | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-apphost-pack-9.0 | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-apphost-pack-9.0 | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-host | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-host | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-host | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-hostfxr-8.0 | 8.0.21-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-hostfxr-8.0 | 8.0.21-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-hostfxr-8.0 | 8.0.21-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-hostfxr-9.0 | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-hostfxr-9.0 | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-hostfxr-9.0 | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-runtime-8.0 | 8.0.21-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-runtime-8.0 | 8.0.21-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-runtime-8.0 | 8.0.21-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-runtime-9.0 | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-runtime-9.0 | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-runtime-9.0 | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-runtime-dbg-8.0 | 8.0.21-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-runtime-dbg-8.0 | 8.0.21-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-runtime-dbg-8.0 | 8.0.21-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-runtime-dbg-9.0 | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-runtime-dbg-9.0 | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-runtime-dbg-9.0 | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-sdk-8.0 | 8.0.121-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-sdk-8.0 | 8.0.121-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-sdk-8.0 | 8.0.121-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-sdk-8.0-source-built-artifacts | 8.0.121-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-sdk-8.0-source-built-artifacts | 8.0.121-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-sdk-8.0-source-built-artifacts | 8.0.121-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-sdk-9.0 | 9.0.111-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-sdk-9.0 | 9.0.111-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-sdk-9.0 | 9.0.111-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-sdk-9.0-source-built-artifacts | 9.0.111-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-sdk-9.0-source-built-artifacts | 9.0.111-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-sdk-9.0-source-built-artifacts | 9.0.111-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-sdk-aot-9.0 | 9.0.111-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-sdk-aot-9.0 | 9.0.111-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-sdk-aot-9.0 | 9.0.111-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-sdk-dbg-8.0 | 8.0.121-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-sdk-dbg-8.0 | 8.0.121-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-sdk-dbg-8.0 | 8.0.121-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-sdk-dbg-9.0 | 9.0.111-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-sdk-dbg-9.0 | 9.0.111-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-sdk-dbg-9.0 | 9.0.111-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-targeting-pack-8.0 | 8.0.21-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-targeting-pack-8.0 | 8.0.21-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-targeting-pack-8.0 | 8.0.21-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-targeting-pack-9.0 | 9.0.10-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-targeting-pack-9.0 | 9.0.10-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-targeting-pack-9.0 | 9.0.10-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | dotnet-templates-8.0 | 8.0.121-1.el10_0 | ALSA-2025:18152 |
| AlmaLinux:8 | dotnet-templates-8.0 | 8.0.121-1.el8_10 | ALSA-2025:18148 |
| AlmaLinux:9 | dotnet-templates-8.0 | 8.0.121-1.el9_6 | ALSA-2025:18149 |
| AlmaLinux:10 | dotnet-templates-9.0 | 9.0.111-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | dotnet-templates-9.0 | 9.0.111-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | dotnet-templates-9.0 | 9.0.111-1.el9_6 | ALSA-2025:18151 |
| AlmaLinux:10 | netstandard-targeting-pack-2.1 | 9.0.111-1.el10_0 | ALSA-2025:18153 |
| AlmaLinux:8 | netstandard-targeting-pack-2.1 | 9.0.111-1.el8_10 | ALSA-2025:18150 |
| AlmaLinux:9 | netstandard-targeting-pack-2.1 | 9.0.111-1.el9_6 | ALSA-2025:18151 |
| Alpine:v3.20 | dotnet8-runtime | 8.0.21-r0 | ALPINE-CVE-2025-55247 |
| Alpine:v3.21 | dotnet8-runtime | 8.0.21-r0 | ALPINE-CVE-2025-55247 |
| Alpine:v3.22 | dotnet8-runtime | 8.0.21-r0 | ALPINE-CVE-2025-55247 |
| Alpine:v3.23 | dotnet8-runtime | 8.0.21-r0 | ALPINE-CVE-2025-55247 |
| Alpine:v3.24 | dotnet8-runtime | 8.0.21-r0 | ALPINE-CVE-2025-55247 |
| Alpine:v3.21 | dotnet9-runtime | 9.0.10-r0 | ALPINE-CVE-2025-55247 |
| Alpine:v3.22 | dotnet9-runtime | 9.0.10-r0 | ALPINE-CVE-2025-55247 |
| Alpine:v3.23 | dotnet9-runtime | 9.0.10-r0 | ALPINE-CVE-2025-55247 |
| Alpine:v3.24 | dotnet9-runtime | 9.0.10-r0 | ALPINE-CVE-2025-55247 |
| NuGet | microsoft.build | 17.8.43 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build | 17.10.46 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build | 17.14.28 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build | 17.12.50 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build | 17.11.48 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build | 18.0.0-preview-25476-107 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.tasks.core | 17.14.28 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.tasks.core | 18.0.0-preview-25476-107 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.tasks.core | 17.12.50 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.tasks.core | 17.11.48 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.tasks.core | 17.10.46 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.tasks.core | 17.8.43 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.utilities.core | 17.12.50 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.utilities.core | 17.10.46 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.utilities.core | 17.11.48 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.utilities.core | 17.14.28 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.utilities.core | 18.0.0-preview-25476-107 | GHSA-w3q9-fxm7-j8fq |
| NuGet | microsoft.build.utilities.core | 17.8.43 | GHSA-w3q9-fxm7-j8fq |
| Rocky Linux:10 | dotnet8.0 | 0:8.0.121-1.el10_0 | RLSA-2025:18152 |
| Rocky Linux:8 | dotnet8.0 | 0:8.0.121-1.el8_10 | RLSA-2025:18148 |
| Rocky Linux:9 | dotnet8.0 | 0:8.0.121-1.el9_6 | RLSA-2025:18149 |
| Rocky Linux:10 | dotnet9.0 | 0:9.0.111-1.el10_0 | RLSA-2025:18153 |
| Rocky Linux:8 | dotnet9.0 | 0:9.0.111-1.el8_10 | RLSA-2025:18150 |
| Rocky Linux:9 | dotnet9.0 | 0:9.0.111-1.el9_6 | RLSA-2025:18151 |
| Ubuntu:24.04:LTS | dotnet10 | 10.0.100-10.0.0-0ubuntu1~24.04.1 | UBUNTU-CVE-2025-55247 |
| Ubuntu:25.10 | dotnet10 | 10.0.100-10.0.0~rc2-0ubuntu1~25.10.2 | UBUNTU-CVE-2025-55247 |
| Ubuntu:25.10 | dotnet10 | 10.0.100-10.0.0~rc2-0ubuntu1~25.10.2 | USN-7822-1 |
| Ubuntu:26.04:LTS | dotnet10 | 10.0.100-10.0.0~rc2-0ubuntu1 | UBUNTU-CVE-2025-55247 |
| Ubuntu:22.04:LTS | dotnet6 | no fix listed | UBUNTU-CVE-2025-55247 |
| Ubuntu:22.04:LTS | dotnet7 | no fix listed | UBUNTU-CVE-2025-55247 |
| Ubuntu:22.04:LTS | dotnet8 | 8.0.121-8.0.21-0ubuntu1~22.04.1 | USN-7822-1 |
| Ubuntu:22.04:LTS | dotnet8 | 8.0.121-8.0.21-0ubuntu1~22.04.1 | UBUNTU-CVE-2025-55247 |
| Ubuntu:24.04:LTS | dotnet8 | 8.0.121-8.0.21-0ubuntu1~24.04.1 | USN-7822-1 |
| Ubuntu:24.04:LTS | dotnet8 | 8.0.121-8.0.21-0ubuntu1~24.04.1 | UBUNTU-CVE-2025-55247 |
| Ubuntu:25.10 | dotnet8 | 8.0.121-8.0.21-0ubuntu1~25.10.1 | UBUNTU-CVE-2025-55247 |
| Ubuntu:25.10 | dotnet8 | 8.0.121-8.0.21-0ubuntu1~25.10.1 | USN-7822-1 |
| Ubuntu:25.10 | dotnet9 | 9.0.111-9.0.10-0ubuntu1~25.10.1 | UBUNTU-CVE-2025-55247 |
| Ubuntu:25.10 | dotnet9 | 9.0.111-9.0.10-0ubuntu1~25.10.1 | USN-7822-1 |
Affected products (as reported)
Weakness: CWE-59 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- .NET Elevation of Privilege Vulnerability vendor-advisory, patch