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VULNERABILITIES

CVE-2026-45490 Details

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: redhat-SADPCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-45490 redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2487184 redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45490.json redhat-SADP
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45490 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-266Incorrect Privilege Assignmentredhat-SADP
CWE-285Improper Authorization[email protected]
CWE-863Incorrect Authorization[email protected]

Affected Products

ProductVersions
microsoft .net
>= 8.0.0, < 8.0.28
>= 9.0.0, < 9.0.17
>= 10.0.0, < 10.0.9

CPE

  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
microsoft windows
All versions

CPE

  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-45490
NVD Published Date:
Jun 9, 2026
NVD Last Modified:
Jul 23, 2026
Source:
[email protected]