CVE-2025-55248

Published: Oct 14, 2025

Modified: Feb 22, 2026

PUBLISHED

CVSS v3.1

4.8

MEDIUM

Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.

Vendor	Product	Versions
Microsoft	.NET 8.0	affected `8.0.0 - < 8.0.21`
Microsoft	.NET 9.0	affected `9.0.0 - < 9.0.10`
Microsoft	Microsoft .NET Framework 2.0 Service Pack 2	affected `2.0.0 - < 2.0.50727.8981`
Microsoft	Microsoft .NET Framework 3.0 Service Pack 2	affected `3.0.0 - < 2.0.50727.8981`
Microsoft	Microsoft .NET Framework 3.5	affected `3.5.0 - < 2.0.50727.8981`
Microsoft	Microsoft .NET Framework 3.5 AND 4.7.2	affected `4.7.0 - < 4.7.04137.03`
Microsoft	Microsoft .NET Framework 3.5 AND 4.8	affected `4.8.0 - < 4.8.04798.02`
Microsoft	Microsoft .NET Framework 3.5 AND 4.8.1	affected `4.8.1 - < 4.8.1.09320.02`
Microsoft	Microsoft .NET Framework 3.5.1	affected `3.5.0 - < 2.0.50727.8981`
Microsoft	Microsoft .NET Framework 4.6.2	affected `4.7.0 - < 4.7.04137.03`
Microsoft	Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2	affected `4.7.0 - < 4.7.04137.03`
Microsoft	Microsoft .NET Framework 4.8	affected `4.8.0 - < 4.8.04798.02`
Microsoft	Microsoft Visual Studio 2022 version 17.10	affected `17.10.0 - < 17.10.20`
Microsoft	Microsoft Visual Studio 2022 version 17.12	affected `17.12.0 - < 17.12.13`
Microsoft	Microsoft Visual Studio 2022 version 17.14	affected `17.14.0 - < 17.14.17`

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

vendor-advisory

patch

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