CVE-2026-35433
HIGHCVSS 7.3/10EPSS 0.66%
Last modified
CVE-2026-35433 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
Description
Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net Framework | 4.8 |
| Microsoft | .Net Framework | 3.5 |
| Microsoft | .Net | >= 8.0.0, < 8.0.27 |
| Microsoft | .Net | >= 9.0.0, < 9.0.16 |
| Microsoft | .Net | >= 10.0.0, < 10.0.8 |
| Microsoft | .Net Framework | 4.8.1 |
| Microsoft | .Net Framework | 4.7.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-35433?
Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
How severe is CVE-2026-35433?
CVE-2026-35433 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.
How do I fix CVE-2026-35433?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-35425Improper access control in Azure API Management (APIM) allow…8
- CVE-2026-35428Improper neutralization of special elements used in a comman…9.6
- CVE-2026-35429User interface (ui) misrepresentation of critical informatio…4.3
- CVE-2026-3543Inappropriate implementation in V8 in Google Chrome prior to…8.8
- CVE-2026-35430Authorization bypass through user-controlled key in Azure Pr…8.8
- CVE-2026-35431Server-side request forgery (ssrf) in Microsoft Entra ID Ent…10
- CVE-2026-35435Improper access control in Azure AI Foundry M365 published a…10
- CVE-2026-35436Use after free in Microsoft Office allows an authorized atta…8.8
- CVE-2026-35438Missing authorization in Windows Admin Center allows an auth…8.3
- CVE-2026-35439Deserialization of untrusted data in Microsoft Office ShareP…8.8
- CVE-2026-3544Heap buffer overflow in WebCodecs in Google Chrome prior to …8.8
- CVE-2026-35440Files or directories accessible to external parties in Micro…5.5
Are you affected by CVE-2026-35433?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST