CVE-2026-50528 | Mend Vulnerability Database

Vulnerability DatabaseCVE-2026-50528

CVE-2026-50528

Published:July 14, 2026

Updated:August 04, 2026

Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network.

Affected Packages

microsoft.netcore.app.runtime.win-arm64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-x64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.win-x64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.win-x86 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-musl-arm (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-arm (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-arm64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-arm64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.osx-arm64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.win-x86 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-x64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-arm (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.win-arm64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.osx-arm64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-musl-arm (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-x64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.win-x64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.osx-x64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.win-x86 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.osx-x64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.win-x64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.win-arm64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-arm (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.osx-arm64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-arm64 (NUGET):

Affected version(s) >=10.0.0 <10.0.10

Fix Suggestion:

Update to version 10.0.10

microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):

Affected version(s) >=9.0.0 <9.0.18

Fix Suggestion:

Update to version 9.0.18

microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.linux-musl-arm (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

microsoft.netcore.app.runtime.osx-x64 (NUGET):

Affected version(s) >=8.0.0 <8.0.29

Fix Suggestion:

Update to version 8.0.29

Related Resources (6)

https://github.com/dotnet/runtime/security/advisories/GHSA-qvw7-jm5c-6hqw

https://github.com/dotnet/runtime/issues/130713

https://nvd.nist.gov/vuln/detail/CVE-2026-50528

https://github.com/dotnet/announcements/issues/417

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50528

https://github.com/dotnet/runtime

Do you need more information?

CVSS v4

Base Score:

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

NONE

User Interaction

NONE

Vulnerable System Confidentiality

LOW

Vulnerable System Integrity

HIGH

Vulnerable System Availability

NONE

Subsequent System Confidentiality

NONE

Subsequent System Integrity

NONE

Subsequent System Availability

NONE

CVSS v3

Base Score:

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

NONE

Exploit Maturity

UNPROVEN

Weakness Type (CWE)

Authentication Bypass by Assumed-Immutable Data

Not Failing Securely ('Failing Open')

Incorrect Authorization

EPSS

Base Score:

0.55