CVE-2026-70162
Published:October 13, 2026
Updated:October 15, 2026
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET web application.
A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET application.
The update addresses the vulnerability by correcting how the .NET web application handles web requests.
Affected Packages
system.security.cryptography.pkcs (DOT_NET):
Affected version(s) >=9.0.0 <9.0.21Fix Suggestion:
Update to version 9.0.21system.security.cryptography.pkcs (DOT_NET):
Affected version(s) >=8.0.0 <8.0.2Fix Suggestion:
Update to version 8.0.2system.security.cryptography.pkcs (DOT_NET):
Affected version(s) >=10.0.0 <10.0.13Fix Suggestion:
Update to version 10.0.13system.security.cryptography.pkcs (NUGET):
Affected version(s) >=8.0.0 <8.0.2Fix Suggestion:
Update to version 8.0.2system.security.cryptography.pkcs (NUGET):
Affected version(s) >=9.0.0 <9.0.21Fix Suggestion:
Update to version 9.0.21system.security.cryptography.pkcs (NUGET):
Affected version(s) >=6.0.0 <6.0.5.1Fix Suggestion:
Update to version 6.0.5.1system.security.cryptography.pkcs (NUGET):
Affected version(s) >=10.0.0 <10.0.13Fix Suggestion:
Update to version 10.0.13Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Exploit Maturity
UNPROVEN
Weakness Type (CWE)
Asymmetric Resource Consumption (Amplification)
EPSS
Base Score:
0.77