Vulnerability DatabaseCVE-2026-32178
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CVE-2026-32178
Published:April 14, 2026
Updated:April 23, 2026
Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.
Affected Packages
microsoft.netcore.app.runtime.osx-arm64 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.win-x64 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.linux-arm (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.osx-x64 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.win-x64 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.linux-arm64 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.win-x64 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.linux-arm (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.linux-musl-x64 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.linux-arm (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.osx-x64 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.linux-arm64 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.linux-musl-arm (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.win-arm64 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.linux-x64 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.linux-musl-arm (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.win-x86 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.osx-arm64 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.osx-arm64 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.win-x86 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.linux-x64 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
microsoft.netcore.app.runtime.linux-arm64 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.win-arm64 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.osx-x64 (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.win-arm64 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.linux-musl-arm64 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.linux-x64 (NUGET):
Affected version(s) >=9.0.0 <9.0.15
Fix Suggestion:
Update to version 9.0.15
microsoft.netcore.app.runtime.linux-musl-arm (NUGET):
Affected version(s) >=10.0.0 <10.0.6
Fix Suggestion:
Update to version 10.0.6
microsoft.netcore.app.runtime.win-x86 (NUGET):
Affected version(s) >=8.0.0 <8.0.26
Fix Suggestion:
Update to version 8.0.26
Related Resources (5)
https://github.com/dotnet/runtime/security/advisories/GHSA-vmwf-m9c5-3jvc
https://github.com/dotnet/announcements/issues/12345
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178
https://github.com/dotnet/runtime
https://nvd.nist.gov/vuln/detail/CVE-2026-32178
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Exploit Maturity
UNPROVEN
Weakness Type (CWE)
Improper Neutralization of Special Elements
CWE-138
EPSS
Base Score:
0.04