high7.3
CVE-2026-35433
Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
Impact
Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Microsoft.WindowsDesktop.App.Runtime.win-arm64 | >= 8.0.0, <= 8.0.26 | 8.0.27 |
| nuget | Microsoft.WindowsDesktop.App.Runtime.win-x64 | >= 8.0.0, <= 8.0.26 | 8.0.27 |
| nuget | Microsoft.WindowsDesktop.App.Runtime.win-x86 | >= 8.0.0, <= 8.0.26 | 8.0.27 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | .Net Framework | Versions 4.8, 3.5, 4.8.1, 4.7.2 |
| Microsoft | .Net | from 8.0.0 before 8.0.27 from 9.0.0 before 9.0.16 from 10.0.0 before 10.0.8 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-8x9c-mqxv-q2pp
- https://github.com/dotnet/wpf/security/advisories/GHSA-8x9c-mqxv-q2pp
- https://nvd.nist.gov/vuln/detail/CVE-2026-35433
- https://github.com/dotnet/announcements/issues/398
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433
- https://access.redhat.com/security/cve/CVE-2026-35433
- https://bugzilla.redhat.com/show_bug.cgi?id=2476577
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35433.json