CVE-2026-45490

high Microsoft
CVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.4%
Exploitation probability in 30 days
Top 70% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: June 9, 2026 (30 days ago)
Last Modified: June 30, 2026
Vendor: Microsoft
Source: MITRE

Description

Improper authorization in .NET allows an authorized attacker to elevate privileges locally.

CWE

CWE-285

Affected Products

Microsoft .NET 10.0Microsoft .NET 8.0Microsoft .NET 9.0

References

🔗 msrc.microsoft.com