Vulnerability DatabaseCVE-2026-70035
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CVE-2026-70035
Published:October 13, 2026
Updated:October 15, 2026
Deserialization of untrusted data in .NET Framework allows an unauthorized attacker to execute code over a network.
Affected Packages
microsoft.windowsdesktop.app.runtime.win-arm64 (NUGET):
Affected version(s) >=8.0.0 <8.0.32
Fix Suggestion:
Update to version 8.0.32
microsoft.windowsdesktop.app.runtime.win-x64 (NUGET):
Affected version(s) >=9.0.0 <9.0.21
Fix Suggestion:
Update to version 9.0.21
microsoft.windowsdesktop.app.runtime.win-x86 (NUGET):
Affected version(s) >=8.0.0 <8.0.32
Fix Suggestion:
Update to version 8.0.32
microsoft.windowsdesktop.app.runtime.win-arm64 (NUGET):
Affected version(s) >=9.0.0 <9.0.21
Fix Suggestion:
Update to version 9.0.21
microsoft.windowsdesktop.app.runtime.win-arm64 (NUGET):
Affected version(s) >=10.0.0 <10.0.13
Fix Suggestion:
Update to version 10.0.13
microsoft.windowsdesktop.app.runtime.win-x64 (NUGET):
Affected version(s) >=8.0.0 <8.0.32
Fix Suggestion:
Update to version 8.0.32
microsoft.windowsdesktop.app.runtime.win-x64 (NUGET):
Affected version(s) >=10.0.0 <10.0.13
Fix Suggestion:
Update to version 10.0.13
microsoft.windowsdesktop.app.runtime.win-x64 (NUGET):
Affected version(s) >=6.0.0 <6.0.47
Fix Suggestion:
Update to version 6.0.47
microsoft.windowsdesktop.app.runtime.win-x86 (NUGET):
Affected version(s) >=9.0.0 <9.0.21
Fix Suggestion:
Update to version 9.0.21
microsoft.windowsdesktop.app.runtime.win-x86 (NUGET):
Affected version(s) >=10.0.0 <10.0.13
Fix Suggestion:
Update to version 10.0.13
Related Resources (6)
https://github.com/dotnet/wpf/security/advisories/GHSA-4j9v-h7pp-725h
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70035
https://github.com/dotnet/announcements/issues/451
https://github.com/dotnet/wpf/issues/12017
https://github.com/dotnet/wpf
https://nvd.nist.gov/vuln/detail/CVE-2026-70035
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Exploit Maturity
UNPROVEN
Weakness Type (CWE)
Deserialization of Untrusted Data
CWE-502
EPSS
Base Score:
1.27