CVE-2026-50526

31

FAUCET Score

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to perform tampering locally.

First published: Jul 14, 2026Last modified: Jul 22, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 8.0.0, < 8.0.29CPE matchmatch criteria	cpe:2.3:a:microsoft:.net::::::::
		>= 9.0.0, < 9.0.18CPE matchmatch criteria	cpe:2.3:a:microsoft:.net::::::::
		>= 10.0.0, < 10.0.6CPE matchmatch criteria	cpe:2.3:a:microsoft:.net::::::::
		>= 17.12.0, < 17.12.22CPE matchmatch criteria	cpe:2.3:a:microsoft:visual_studio_2022::::::::
		>= 17.14.0, < 17.14.36CPE matchmatch criteria	cpe:2.3:a:microsoft:visual_studio_2022::::::::

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

1.0

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.24%

Probability of exploitation in next 30 days

EPSS Percentile

14.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0024 is in the 43rd percentile among its peer group of 1,523 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (21)

microsoftpatch availablevia msrc

Product: Microsoft Visual Studio 2022 version 17.14Fixed in: 17.14.36

microsoftpatch availablevia msrc

Product: .NET 10.0 installed on Mac OSFixed in: 10.0.6

microsoftpatch availablevia msrc

Product: .NET 10.0 installed on LinuxFixed in: 10.0.6

microsoftpatch availablevia nvd_reference

microsoftpatch availablevia msrc

Product: .NET 9.0 installed on WindowsFixed in: 9.0.18

microsoftpatch availablevia msrc

Product: .NET 8.0 installed on Mac OSFixed in: 8.0.29

microsoftpatch availablevia msrc

Product: .NET 8.0 installed on LinuxFixed in: 8.0.29

microsoftpatch availablevia msrc

Product: .NET 8.0 installed on WindowsFixed in: 8.0.29

microsoftpatch availablevia msrc

Product: .NET 10.0 installed on Mac OSFixed in: 10.0.10

microsoftpatch availablevia msrc

Product: .NET 10.0 installed on LinuxFixed in: 10.0.10

microsoftpatch availablevia msrc

Product: Microsoft Visual Studio 2026 version 18.7Fixed in: 18.7.4

microsoftpatch availablevia msrc

Product: Microsoft Visual Studio 2022 version 17.12Fixed in: 17.12.22

microsoftpatch availablevia msrc

Product: .NET 9.0 installed on Mac OSFixed in: 9.0.18

microsoftpatch availablevia msrc

Product: .NET 9.0 installed on LinuxFixed in: 9.0.18

nugetpatch availablevia ghsa

Product: Microsoft.NET.Build.ContainersFixed in: 10.0.10

nugetpatch availablevia ghsa

Product: Microsoft.NET.Build.ContainersFixed in: 9.0.18

nugetpatch availablevia ghsa

Product: Microsoft.NET.Build.ContainersFixed in: 8.0.29

ubuntupatch availablevia ubuntu_usn

Product: dotnet8 (noble)Fixed in: 8.0.129-8.0.29-0ubuntu1~24.04.1

ubuntupatch availablevia ubuntu_usn

Product: dotnet10 (resolute)Fixed in: 10.0.110-10.0.10-0ubuntu1~26.04.1

ubuntupatch availablevia ubuntu_usn

Product: dotnet8 (jammy)Fixed in: 8.0.129-8.0.29-0ubuntu1~22.04.1

ubuntupatch availablevia ubuntu_usn

Product: dotnet10 (noble)Fixed in: 10.0.110-10.0.10-0ubuntu1~24.04.1

Vendor Advisories (3)

nugetGHSA-55jh-fwmh-39m4high

Microsoft Security Advisory CVE-2026-50526 – .NET Tampering Vulnerability

ubuntuUSN-8553-1

.NET vulnerabilities

microsoft2026-Jul/CVE-2026-50526Important

.NET Tampering Vulnerability

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2026-50526

PatchVendor Advisory