8.8

CVE-2026-47300

ASP.NET Core Elevation of Privilege Vulnerability

Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft.Net Version >= 8.0.0 < 8.0.29
   ApplemacOS Version-
   LinuxLinux Kernel Version-
   MicrosoftWindows Version-
Microsoft.Net Version >= 9.0.0 < 9.0.18
   ApplemacOS Version-
   LinuxLinux Kernel Version-
   MicrosoftWindows Version-
Microsoft.Net Version >= 10.0.0 < 10.0.6
   ApplemacOS Version-
   LinuxLinux Kernel Version-
MicrosoftVisual Studio 2022 Version >= 17.12.0 < 17.12.22
MicrosoftVisual Studio 2022 Version >= 17.14.0 < 17.14.36
MicrosoftVisual Studio 2026 Version >= 18.7.0 < 18.7.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.53% 0.414
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-303 Incorrect Implementation of Authentication Algorithm

The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47300
Patch
Vendor Advisory