Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Project Subscriptions
Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-8prm-248r-h957 | Microsoft Security Advisory CVE-2026-47300 – .NET Elevation of Privilege Vulnerability |
Ubuntu USN |
USN-8553-1 | .NET vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sat, 18 Jul 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat
Redhat hummingbird |
|
| CPEs | cpe:/a:redhat:hummingbird:1 | |
| Vendors & Products |
Redhat
Redhat hummingbird |
|
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
Wed, 15 Jul 2026 11:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 14 Jul 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network. | |
| Title | ASP.NET Core Elevation of Privilege Vulnerability | |
| First Time appeared |
Microsoft
Microsoft .net Microsoft visual Studio 2022 Microsoft visual Studio 2026 |
|
| Weaknesses | CWE-303 | |
| CPEs | cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Microsoft
Microsoft .net Microsoft visual Studio 2022 Microsoft visual Studio 2026 |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: microsoft
Published:
Updated: 2026-07-23T23:55:16.899Z
Reserved: 2026-05-18T23:53:33.897Z
Link: CVE-2026-47300
Updated: 2026-07-15T10:57:46.815Z
No data.
OpenCVE Enrichment
Updated: 2026-07-22T22:15:06Z
Weaknesses
Github GHSA
Ubuntu USN