CVE-2026-50650

Published: Jul 14, 2026Modified: Oct 28, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Improper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to elevate privileges locally.

Affected (14)

Products: Microsoft: .net Framework, .net

Microsoft

2 products

.net Framework

.net

Configuration A

1 vulnerable · 5 platform

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 4.8

Running on/with	Platform Versions
Microsoft Windows 10 1607	All versions
Microsoft Windows 10 1607	All versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	All versions

Configuration B

4 vulnerable · 2 platform

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 4.6.2
Microsoft .net Framework	Version 4.7.1
Microsoft .net Framework	Version 4.7.2
Microsoft .net Framework	Version 4.7

Running on/with	Platform Versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2

Configuration C

2 vulnerable · 15 platform

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 3.5
Microsoft .net Framework	Version 4.8.1

Running on/with	Platform Versions
Microsoft Windows 10 21h2	All versions
Microsoft Windows 10 21h2	All versions
Microsoft Windows 10 21h2	All versions
Microsoft Windows 10 22h2	All versions
Microsoft Windows 10 22h2	All versions
Microsoft Windows 10 22h2	All versions
Microsoft Windows 11 23h2	All versions
Microsoft Windows 11 23h2	All versions
Microsoft Windows 11 24h2	All versions
Microsoft Windows 11 24h2	All versions
Microsoft Windows 11 25h2	All versions
Microsoft Windows 11 25h2	All versions
Microsoft Windows 11 26h1	All versions
Microsoft Windows 11 26h1	All versions
Microsoft Windows Server 2022	All versions

Configuration D

2 vulnerable · 10 platform

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 3.5
Microsoft .net Framework	Version 4.8

Running on/with	Platform Versions
Microsoft Windows 10 1809	All versions
Microsoft Windows 10 1809	All versions
Microsoft Windows 10 21h2	All versions
Microsoft Windows 10 21h2	All versions
Microsoft Windows 10 21h2	All versions
Microsoft Windows 10 22h2	All versions
Microsoft Windows 10 22h2	All versions
Microsoft Windows 10 22h2	All versions
Microsoft Windows Server 2019	All versions
Microsoft Windows Server 2022	All versions

Configuration E

2 vulnerable · 6 platform

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 3.5
Microsoft .net Framework	Version 4.7.2

Running on/with	Platform Versions
Microsoft Windows 10 1607	All versions
Microsoft Windows 10 1607	All versions
Microsoft Windows 10 1809	All versions
Microsoft Windows 10 1809	All versions
Microsoft Windows Server 2016	All versions
Microsoft Windows Server 2019	All versions

Configuration F

1 vulnerable · 2 platform

Vulnerable Software	Affected Versions
Microsoft .net Framework	Version 3.5

Running on/with	Platform Versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2

Configuration G

2 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microsoft .net	8.0.0 ≤ version < 8.0.29
Microsoft .net	9.0.0 ≤ version < 9.0.18

Running on/with	Platform Versions
Microsoft Windows	All versions

Related CWEs

CWE-94

Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50650

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.