Description
.NET Remote Code Execution Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | .NET 9.0 | 9.0.0 – < 9.0.1 | 9.0.1 |
| Microsoft | Microsoft Visual Studio 2022 version 17.10 | 17.10.0 – < 17.10.10 | 17.10.10 |
| Microsoft | Microsoft Visual Studio 2022 version 17.12 | 17.12.0 – < 17.12.4 | 17.12.4 |
| Microsoft | Microsoft Visual Studio 2022 version 17.6 | 17.6.0 – < 17.6.22 | 17.6.22 |
| Microsoft | Microsoft Visual Studio 2022 version 17.8 | 17.8.0 – < 17.8.17 | 17.8.17 |
| Microsoft | PowerShell 7.5 | 7.5.0 – < 7.5.0 | 7.5.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | dotnet8 | 8.0.112-8.0.12-0ubuntu1~24.04.1 | USN-7210-1 |
| Ubuntu 22.04 LTS | dotnet7 | No fix yet | — |
| Ubuntu 22.04 LTS | dotnet8 | 8.0.112-8.0.12-0ubuntu1~22.04.1 | USN-7210-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | dotnet-host +8 | 9.0.1-1.el9_5 | RHBA-2025:0305 |
| RHEL 9 | dotnet9.0 +6 | 9.0.102-1.el9_5 | RHBA-2025:0305 |
| RHEL 8 | dotnet +7 | 9.0.102-1.el8_10 | RHSA-2025:0382 |
| RHEL 8 | dotnet-host +8 | 9.0.1-1.el8_10 | RHSA-2025:0382 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | dotnet +6 | 9.0.102-1.el8_10 | ALSA-2025:0382 |
| AlmaLinux 8 | dotnet-host +8 | 9.0.1-1.el8_10 | ALSA-2025:0382 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | dotnet9.0 | 9.0.102-1.el8_10 | RLSA-2025:0382 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | dotnet9-runtime | 9.0.1-r0 | — |
| Alpine v3.23 | dotnet9-runtime | 9.0.1-r0 | — |
| Alpine v3.22 | dotnet9-runtime | 9.0.1-r0 | — |
| Alpine v3.21 | dotnet9-runtime | 9.0.1-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | dotnet +6 | 9.0.102-1.0.1.el8_10 | ELSA-2025-0382 |
| Oracle Linux 8 | dotnet-host +8 | 9.0.1-1.0.1.el8_10 | ELSA-2025-0382 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | dotnet-bootstrap-9 | 9.0.200-r0 | — |
Affected packages
Advisories 9
- ALSA-2025:0382 Important: .NET 9.0 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:0382 Red Hat Security Advisory: .NET 9.0 security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHBA-2025:0305 Red Hat Bug Fix Advisory: .NET 9.0 bug fix and enhancement update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- USN-7210-1 dotnet8, dotnet9 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- RLSA-2025:0382 Important: .NET 9.0 security update Rocky Linux Security Advisories · Feb 5, 2026
- WID-SEC-2025-0093 Microsoft Developer Tools: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 8, 2025
- MSRC-CVE-2025-21171 .NET Remote Code Execution Vulnerability Microsoft Security Response Center · Jan 29, 2025
- ELSA-2025-0382 Important: .NET 9.0 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jan 17, 2025
- NCSC-2025-0011 Kwetsbaarheden verholpen in Microsoft Developer Tools NCSC-NL (Netherlands) · Jan 14, 2025
References
- .NET Remote Code Execution Vulnerability vendor-advisory patch