Description
Improper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | .NET 8.0 runtime | 8.0.0 – < 8.0.29 | 8.0.29 |
| Microsoft | .NET 9.0 runtime | 9.0.0 – < 9.0.18 | 9.0.18 |
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0 – < 2.0.50727.8983 & 3.0.30729.8978 | 2.0.50727.8983 & 3.0.30729.8978 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 – < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0 | 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 – < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0 | 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 – < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 | 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 – < 4.7.4143.0 | 4.7.4143.0 |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 – < 4.8.4803.0 | 4.8.4803.0 |
| Microsoft | Microsoft Visual Studio 2022 version 17.12 | 17.12.0 – < 17.12.22 | 17.12.22 |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 – < 17.14.36 | 17.14.36 |
| Microsoft | Microsoft Visual Studio 2026 version 18.7 | 18.0 – < 18.7.4 | 18.7.4 |
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 22.04 LTS | dotnet7 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | dotnet-host +8 | 10.0.10-1.el10_2 | RHSA-2026:41897 |
| RHEL 10 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.el10_2 | RHSA-2026:41893 |
| RHEL 10 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.el10_2 | RHSA-2026:41895 |
| RHEL 10 | dotnet10.0 +5 | 10.0.110-1.el10_2 | RHSA-2026:41897 |
| RHEL 10 | dotnet8.0 +4 | 8.0.129-1.el10_2 | RHSA-2026:41893 |
| RHEL 10 | dotnet9.0 +6 | 9.0.119-1.el10_2 | RHSA-2026:41895 |
| RHEL 9 | dotnet-host +8 | 10.0.10-1.el9_8 | RHSA-2026:41898 |
| RHEL 9 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.el9_8 | RHSA-2026:41894 |
| RHEL 9 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.el9_8 | RHSA-2026:41896 |
| RHEL 9 | dotnet10.0 +5 | 10.0.110-1.el9_8 | RHSA-2026:41898 |
| RHEL 9 | dotnet8.0 +4 | 8.0.129-1.el9_8 | RHSA-2026:41894 |
| RHEL 9 | dotnet9.0 +6 | 9.0.119-1.el9_8 | RHSA-2026:41896 |
| RHEL 8 | dotnet +6 | 10.0.110-1.el8_10 | RHSA-2026:41900 |
| RHEL 8 | dotnet-host +8 | 10.0.10-1.el8_10 | RHSA-2026:41900 |
| RHEL 8 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.el8_10 | RHSA-2026:41901 |
| RHEL 8 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.el8_10 | RHSA-2026:41899 |
| RHEL 8 | dotnet8.0 +4 | 8.0.129-1.el8_10 | RHSA-2026:41901 |
| RHEL 8 | dotnet9.0 +6 | 9.0.119-1.el8_10 | RHSA-2026:41899 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | dotnet-host +8 | 9.0.19-1.el10_0 | RHSA-2026:58567 |
| RHEL 10.0 EUS | dotnet-hostfxr-8.0 +7 | 8.0.30-1.el10_0 | RHSA-2026:58566 |
| RHEL 10.0 EUS | dotnet8.0 +4 | 8.0.130-1.el10_0 | RHSA-2026:58566 |
| RHEL 10.0 EUS | dotnet9.0 +6 | 9.0.120-1.el10_0 | RHSA-2026:58567 |
| RHEL 9.6 EUS | dotnet-host +8 | 9.0.19-1.el9_6 | RHSA-2026:58570 |
| RHEL 9.6 EUS | dotnet-hostfxr-8.0 +7 | 8.0.30-1.el9_6 | RHSA-2026:58569 |
| RHEL 9.6 EUS | dotnet8.0 +4 | 8.0.130-1.el9_6 | RHSA-2026:58569 |
| RHEL 9.6 EUS | dotnet9.0 +6 | 9.0.120-1.el9_6 | RHSA-2026:58570 |
| RHEL 9.4 E4S | dotnet-host +8 | 8.0.30-1.el9_4 | RHSA-2026:58568 |
| RHEL 9.4 E4S | dotnet8.0 +4 | 8.0.130-1.el9_4 | RHSA-2026:58568 |
| Red Hat Hardened Images 1 | dotnet-hostfxr-8.0 +7 | 8.0.29-2.1.hum1 | RHSA-2026:42145 |
| Red Hat Hardened Images 1 | dotnet8.0 +4 | 8.0.129-2.1.hum1 | RHSA-2026:42145 |
| Red Hat Hardened Images 1 | dotnet9.0 +6 | 9.0.118-1.hum1 | RHSA-2026:27171 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | dotnet-host +8 | 10.0.10-1.el10_2 | ALSA-2026:41897 |
| AlmaLinux 10 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.el10_2 | ALSA-2026:41893 |
| AlmaLinux 10 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.el10_2 | ALSA-2026:41895 |
| AlmaLinux 10 | dotnet-sdk-10.0 +4 | 10.0.110-1.el10_2 | ALSA-2026:41897 |
| AlmaLinux 10 | dotnet-sdk-8.0 +3 | 8.0.129-1.el10_2 | ALSA-2026:41893 |
| AlmaLinux 10 | dotnet-sdk-9.0 +5 | 9.0.119-1.el10_2 | ALSA-2026:41895 |
| AlmaLinux 9 | dotnet-host +8 | 10.0.10-1.el9_8 | ALSA-2026:41898 |
| AlmaLinux 9 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.el9_8 | ALSA-2026:41894 |
| AlmaLinux 9 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.el9_8 | ALSA-2026:41896 |
| AlmaLinux 9 | dotnet-sdk-10.0 +4 | 10.0.110-1.el9_8 | ALSA-2026:41898 |
| AlmaLinux 9 | dotnet-sdk-8.0 +3 | 8.0.129-1.el9_8 | ALSA-2026:41894 |
| AlmaLinux 9 | dotnet-sdk-9.0 +5 | 9.0.119-1.el9_8 | ALSA-2026:41896 |
| AlmaLinux 8 | dotnet +5 | 10.0.110-1.el8_10 | ALSA-2026:41900 |
| AlmaLinux 8 | dotnet-host +8 | 10.0.10-1.el8_10 | ALSA-2026:41900 |
| AlmaLinux 8 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.el8_10 | ALSA-2026:41901 |
| AlmaLinux 8 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.el8_10 | ALSA-2026:41899 |
| AlmaLinux 8 | dotnet-sdk-8.0 +3 | 8.0.129-1.el8_10 | ALSA-2026:41901 |
| AlmaLinux 8 | dotnet-sdk-9.0 +5 | 9.0.119-1.el8_10 | ALSA-2026:41899 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | dotnet10.0 | 10.0.110-1.el10_2 | RLSA-2026:41897 |
| Rocky Linux 10 | dotnet8.0 | 8.0.129-1.el10_2 | RLSA-2026:41893 |
| Rocky Linux 10 | dotnet9.0 | 9.0.119-1.el10_2 | RLSA-2026:41895 |
| Rocky Linux 9 | dotnet10.0 | 10.0.110-1.el9_8 | RLSA-2026:41898 |
| Rocky Linux 9 | dotnet8.0 | 8.0.129-1.el9_8 | RLSA-2026:41894 |
| Rocky Linux 9 | dotnet9.0 | 9.0.119-1.el9_8 | RLSA-2026:41896 |
| Rocky Linux 8 | dotnet10.0 | 10.0.110-1.el8_10 | RLSA-2026:41900 |
| Rocky Linux 8 | dotnet8.0 | 8.0.129-1.el8_10 | RLSA-2026:41901 |
| Rocky Linux 8 | dotnet9.0 | 9.0.119-1.el8_10 | RLSA-2026:41899 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | dotnet10-runtime | 10.0.10-r0 | — |
| Alpine v3.24 | dotnet8-runtime | 8.0.29-r0 | — |
| Alpine v3.24 | dotnet9-runtime | 9.0.18-r0 | — |
| Alpine v3.23 | dotnet10-runtime | 10.0.10-r0 | — |
| Alpine v3.23 | dotnet8-runtime | 8.0.29-r0 | — |
| Alpine v3.23 | dotnet9-runtime | 9.0.18-r0 | — |
| Alpine v3.22 | dotnet8-runtime | 8.0.29-r0 | — |
| Alpine v3.22 | dotnet9-runtime | 9.0.18-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | dotnet +5 | 8.0.129-1.amzn2023.0.1 | ALAS2023-2026-2010, ALAS2023-2026-2009 |
| Amazon Linux 2023 | dotnet-host +8 | 8.0.29-1.amzn2023.0.1 | ALAS2023-2026-2010, ALAS2023-2026-2009 |
| Amazon Linux 2023 | dotnet-hostfxr-10.0 +7 | 10.0.10-1.amzn2023.0.1 | ALAS2023-2026-2009 |
| Amazon Linux 2023 | dotnet-sdk-10.0 +4 | 10.0.110-1.amzn2023.0.1 | ALAS2023-2026-2009 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | dotnet-host +8 | 10.0.10-1.0.1.el10_2 | ELSA-2026-41897 |
| Oracle Linux 10 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.0.1.el10_2 | ELSA-2026-41893 |
| Oracle Linux 10 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.0.1.el10_2 | ELSA-2026-41895 |
| Oracle Linux 10 | dotnet-sdk-10.0 +4 | 10.0.110-1.0.1.el10_2 | ELSA-2026-41897 |
| Oracle Linux 10 | dotnet-sdk-8.0 +3 | 8.0.129-1.0.1.el10_2 | ELSA-2026-41893 |
| Oracle Linux 10 | dotnet-sdk-9.0 +5 | 9.0.119-1.0.1.el10_2 | ELSA-2026-41895 |
| Oracle Linux 9 | dotnet-host +8 | 10.0.10-1.0.1.el9_8 | ELSA-2026-41898 |
| Oracle Linux 9 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.0.1.el9_8 | ELSA-2026-41894 |
| Oracle Linux 9 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.0.1.el9_8 | ELSA-2026-41896 |
| Oracle Linux 9 | dotnet-sdk-10.0 +4 | 10.0.110-1.0.1.el9_8 | ELSA-2026-41898 |
| Oracle Linux 9 | dotnet-sdk-8.0 +3 | 8.0.129-1.0.1.el9_8 | ELSA-2026-41894 |
| Oracle Linux 9 | dotnet-sdk-9.0 +5 | 9.0.119-1.0.1.el9_8 | ELSA-2026-41896 |
| Oracle Linux 8 | dotnet +5 | 10.0.110-1.0.1.el8_10 | ELSA-2026-41900 |
| Oracle Linux 8 | dotnet-host +8 | 10.0.10-1.0.1.el8_10 | ELSA-2026-41900 |
| Oracle Linux 8 | dotnet-hostfxr-8.0 +7 | 8.0.29-1.0.1.el8_10 | ELSA-2026-41901 |
| Oracle Linux 8 | dotnet-hostfxr-9.0 +7 | 9.0.18-1.0.1.el8_10 | ELSA-2026-41899 |
| Oracle Linux 8 | dotnet-sdk-8.0 +3 | 8.0.129-1.0.1.el8_10 | ELSA-2026-41901 |
| Oracle Linux 8 | dotnet-sdk-9.0 +5 | 9.0.119-1.0.1.el8_10 | ELSA-2026-41899 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-arm64 | >= 10.0.0, < 10.0.10 | 10.0.10 | GHSA-2969-4q4w-w5h3 |
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-arm64 | >= 9.0.0, < 9.0.18 | 9.0.18 | GHSA-2969-4q4w-w5h3 |
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-arm64 | >= 8.0.0, < 8.0.29 | 8.0.29 | GHSA-2969-4q4w-w5h3 |
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-x64 | >= 10.0.0, < 10.0.10 | 10.0.10 | GHSA-2969-4q4w-w5h3 |
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-x64 | >= 9.0.0, < 9.0.18 | 9.0.18 | GHSA-2969-4q4w-w5h3 |
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-x64 | >= 8.0.0, < 8.0.29 | 8.0.29 | GHSA-2969-4q4w-w5h3 |
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-x86 | >= 10.0.0, < 10.0.10 | 10.0.10 | GHSA-2969-4q4w-w5h3 |
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-x86 | >= 9.0.0, < 9.0.18 | 9.0.18 | GHSA-2969-4q4w-w5h3 |
| NuGet | Microsoft.WindowsDesktop.App.Runtime.win-x86 | >= 8.0.0, < 8.0.29 | 8.0.29 | GHSA-2969-4q4w-w5h3 |
Advisories 48
- ALSA-2026:41895 Important: .NET 9.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41897 Important: .NET 10.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41896 Important: .NET 9.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41898 Important: .NET 10.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41894 Important: .NET 8.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41893 Important: .NET 8.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41899 Important: .NET 9.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41900 Important: .NET 10.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41901 Important: .NET 8.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:27171 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2026:58569 Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:58570 Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:58568 Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:58567 Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:58566 Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:42145 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41901 Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41900 Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41898 Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41899 Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41897 Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41895 Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41896 Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41894 Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:41893 Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- WID-SEC-2026-2324 Microsoft DeveloperTools: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 23, 2026
- ALAS2023-2026-2009 Important: dotnet10.0 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 5, 2026
- ALAS2023-2026-2010 Important: dotnet8.0 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 5, 2026
- RLSA-2026:41899 Important: .NET 9.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- RLSA-2026:41901 Important: .NET 8.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- RLSA-2026:41893 Important: .NET 8.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- RLSA-2026:41896 Important: .NET 9.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- RLSA-2026:41897 Important: .NET 10.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- RLSA-2026:41900 Important: .NET 10.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- RLSA-2026:41894 Important: .NET 8.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- RLSA-2026:41895 Important: .NET 9.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- RLSA-2026:41898 Important: .NET 10.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Jul 23, 2026
- ELSA-2026-41901 Important: .NET 8.0 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 21, 2026
- ELSA-2026-41900 Important: .NET 10.0 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 21, 2026
- MSRC-CVE-2026-50650 .NET Framework Elevation of Privilege Vulnerability Microsoft Security Response Center · Jul 20, 2026
- ELSA-2026-41893 Important: .NET 8.0 security, bug fix, and enhancement update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 20, 2026
- ELSA-2026-41899 Important: .NET 9.0 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 20, 2026
- ELSA-2026-41897 Important: .NET 10.0 security, bug fix, and enhancement update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 20, 2026
- ELSA-2026-41895 Important: .NET 9.0 security, bug fix, and enhancement update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 20, 2026
- ELSA-2026-41894 Important: .NET 8.0 security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 20, 2026
- ELSA-2026-41898 Important: .NET 10.0 security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 20, 2026
- ELSA-2026-41896 Important: .NET 9.0 security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 20, 2026
- NCSC-2026-0235 Kwetsbaarheden verholpen in Microsoft Developer Tools NCSC-NL (Netherlands) · Jul 14, 2026
References
- .NET Framework Elevation of Privilege Vulnerability vendor-advisory patch