Vulnerability DatabaseCVE-2026-45490
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CVE-2026-45490
Published:June 09, 2026
Updated:June 29, 2026
Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
Affected Packages
https://github.com/dotnet/sdk.git (GITHUB):
Affected version(s) >=v8.0.400 <v8.0.422
Fix Suggestion:
Update to version v8.0.422
https://github.com/dotnet/sdk.git (GITHUB):
Affected version(s) =v10.0.300 <v10.0.301
Fix Suggestion:
Update to version v10.0.301
https://github.com/dotnet/sdk.git (GITHUB):
Affected version(s) >=v9.0.300 <v9.0.315
Fix Suggestion:
Update to version v9.0.315
https://github.com/dotnet/sdk.git (GITHUB):
Affected version(s) >=v10.0.100 <v10.0.109
Fix Suggestion:
Update to version v10.0.109
https://github.com/dotnet/sdk.git (GITHUB):
Affected version(s) >=v9.0.100 <v9.0.118
Fix Suggestion:
Update to version v9.0.118
https://github.com/dotnet/sdk.git (GITHUB):
Affected version(s) >=v8.0.100 <v8.0.128
Fix Suggestion:
Update to version v8.0.128
Related Resources (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45490
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
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:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Exploit Maturity
UNPROVEN
Weakness Type (CWE)
Incorrect Authorization
CWE-863
Improper Authorization
CWE-285
EPSS
Base Score:
0.27