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CVE-2026-47304
Published:July 14, 2026
Updated:August 04, 2026
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
Affected Packages
System.Security.Cryptography.Xml (DOT_NET):
Affected version(s) >=10.0.0 <10.0.10
Fix Suggestion:
Update to version 10.0.10
System.Security.Cryptography.Xml (DOT_NET):
Affected version(s) >=9.0.0 <9.0.18
Fix Suggestion:
Update to version 9.0.18
System.Security.Cryptography.Xml (DOT_NET):
Affected version(s) >=8.0.0 <8.0.4
Fix Suggestion:
Update to version 8.0.4
system.security.cryptography.xml (NUGET):
Affected version(s) >=9.0.0 <9.0.18
Fix Suggestion:
Update to version 9.0.18
system.security.cryptography.xml (NUGET):
Affected version(s) >=8.0.0 <8.0.4
Fix Suggestion:
Update to version 8.0.4
system.security.cryptography.xml (NUGET):
Affected version(s) >=10.0.0 <10.0.10
Fix Suggestion:
Update to version 10.0.10
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CVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
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:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Exploit Maturity
UNPROVEN
Weakness Type (CWE)
Improper Verification of Cryptographic Signature
Insufficient Verification of Data Authenticity
EPSS
Base Score:
0.22