Vulnerability Description
Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
CVSS Score
7.3
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net Framework | 4.8 |
| Microsoft | Windows 10 1607 | - |
| Microsoft | Windows Server 2012 | - |
| Microsoft | Windows Server 2016 | - |
| Microsoft | .Net | >= 8.0.0, < 8.0.27 |
| Microsoft | Windows | - |
| Microsoft | Windows 11 23H2 | - |
| Microsoft | Windows 11 24H2 | - |
| Microsoft | Windows 11 25H2 | - |
| Microsoft | Windows 11 26H1 | - |
| Microsoft | Windows Server 2022 | - |
| Microsoft | Windows Server 2025 | - |
| Microsoft | Windows 10 1809 | - |
| Microsoft | Windows 10 21H2 | - |
| Microsoft | Windows 10 22H2 | - |
Related Weaknesses (CWE)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433Vendor Advisory
- 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
FAQ
What is CVE-2026-35433?
CVE-2026-35433 is a vulnerability with a CVSS score of 7.3 (HIGH). Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
How severe is CVE-2026-35433?
CVE-2026-35433 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-35433?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net Framework, Microsoft Windows 10 1607, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft .Net.