CVE-2026-62909
HIGHCVSS 7.8/10
Last modified
CVE-2026-62909 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Uncaught exception in .NET allows an authorized attacker to elevate privileges locally..
Description
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .NET 10.0 | >= 10.0.0, < 10.0.11 |
| Microsoft | .NET 8.0 | >= 8.0.0, < 8.0.30 |
| Microsoft | .NET 9.0 | >= 9.0.0, < 9.0.19 |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | >= 17.14.0, < 17.14.38 |
| Microsoft | Microsoft Visual Studio 2026 version 18.8 | >= 18.0, < 18.8.3 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-62909?
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-62909?
CVE-2026-62909 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-62909?
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-2026-62899Inconsistent interpretation of http requests ('http request/…5.9
- CVE-2026-6290Velociraptor versions prior to 0.76.3 contain a vulnerabilit…9.1
- CVE-2026-62900Improper removal of sensitive information before storage or …5.9
- CVE-2026-62901Unchecked input for loop condition in .NET allows an unautho…7.5
- CVE-2026-62902Inclusion of functionality from untrusted control sphere in …6.5
- CVE-2026-62908Concurrent execution using shared resource with improper syn…7
- CVE-2026-6291Bleichenbacher padding oracle in PKCS#7 KTRI decryption. Whe…6.5
- CVE-2026-62910Improper control of resource identifiers ('resource injectio…7.2
- CVE-2026-62911Authentication bypass by capture-replay in Microsoft Exchang…8
- CVE-2026-62912Deserialization of untrusted data in Microsoft Exchange Serv…6.5
- CVE-2026-62913Heap-based buffer overflow in Microsoft Exchange Server allo…8.8
- CVE-2026-62914Improper neutralization of input during web page generation …7.3
Are you affected by CVE-2026-62909?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST