RCE in Microsoft .Net Framework 3.5
CVE-2026-50650
Improper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to elevate privileges locally.
Vulnerability class: RCE (Remote Code Execution)
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft .Net Framework 3.5 — versions 3.5.0
- Microsoft .Net Framework 3.5 And 4.7.2 — versions 4.7.0
- Microsoft .Net Framework 3.5 And 4.8 — versions 4.8.0
- Microsoft .Net Framework 3.5 And 4.8.1 — versions 4.8.1
- Microsoft .Net Framework 4.6.2/4.7/4.7.1/4.7.2 — versions 4.7.0
- Microsoft .Net Framework 4.8 — versions 4.8.0
- Microsoft Visual Studio 2022 Version 17.12 — versions 17.12.0
- Microsoft Visual Studio 2022 Version 17.14 — versions 17.14.0
- Microsoft Visual Studio 2026 Version 18.7 — versions 18.0
- Microsoft .Net 8.0 — versions 8.0.0
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-50650?
- CVE-2026-50650 is a high-severity vulnerability in Microsoft .Net Framework 3.5, classified under Code Injection. CVSS score: 7.8/10. Published 2026-07-14.
- How severe is CVE-2026-50650?
- High severity. CVSS v3 base score is 7.8 out of 10.