๐Ÿ” CVE Alert

CVE-2026-109476

MEDIUM 6.1

ASP.NET Core Information Disclosure Vulnerability

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

Improper encoding or escaping of output in ASP.NET Core allows an unauthorized attacker to disclose information over a network.

Vendor microsoft
Product .net 10.0 installed on linux
Ecosystems
Industries
TechnologyEnterprise
Published Nov 10, 2026
Last Updated Nov 10, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

Microsoft / .NET 10.0 installed on Linux
10.0.0 < 10.0.15
Microsoft / .NET 10.0 installed on Mac OS
10.0.0 < 10.0.15
Microsoft / .NET 10.0 installed on Windows
10.0.0 < 10.0.15
Microsoft / .NET 11.0 installed on Linux
11.0.0-preview.1 < 11.0.0
Microsoft / .NET 11.0 installed on Mac OS
11.0.0-preview.1 < 11.0.0
Microsoft / .NET 11.0 installed on Windows
11.0.0-preview.1 < 11.0.0
Microsoft / .NET 8.0 installed on Linux
8.0.0 < 8.0.34
Microsoft / .NET 8.0 installed on Mac OS
8.0.0 < 8.0.34
Microsoft / .NET 8.0 installed on Windows
8.0.0 < 8.0.34
Microsoft / .NET 9.0 installed on Linux
9.0.0 < 9.0.23
Microsoft / .NET 9.0 installed on Mac OS
9.0.0 < 9.0.23
Microsoft / .NET 9.0 installed on Windows
9.0.0 < 9.0.23
Microsoft / Microsoft Visual Studio 2022 version 17.14
17.14.0 < 17.14.45
Microsoft / Microsoft Visual Studio 2026 version 18.11
18.11.0 < 18.11.4
Microsoft / Microsoft Visual Studio 2026 version 18.12
18.12.0 < 18.12.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109476