4.8Medium

CVE-2025-55248.NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability

Microsoft .NET 8.0; Microsoft .NET 9.0; Microsoft Microsoft .NET Framework 2.0 Service Pack 2; Microsoft Microsoft .NET Framework 3.0 Service Pack 2 Published: 2025-10-14 20:00 (1 year ago)

Description

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

Weakness (CWE): CWE-326

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

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

References and patches

.NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability vendor-advisorypatchVendor Advisory

CPE matches (NVD) (20)

cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 8.0.0 < 8.0.21
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 9.0.0 < 9.0.10
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* ≥ 17.10.0 < 17.10.20
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* ≥ 17.12.0 < 17.12.13
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* ≥ 17.14.0 < 17.14.17
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*

CVSS score

4.8Medium

Source: microsoft · CVSS 3.1

Attack vector: Network
Attack complexity: High
Privileges required: Low
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

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

All scores (3)

cna	CVSS 3.1	4.8Medium
secure@microsoft.com	CVSS 3.1	4.8Medium
nvd	CVSS 3.1	5.7Medium

EPSS (chance of exploitation in 30 days)

0.74%

higher than 55% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2025-08-11
Published2025-10-14 20:00
Reached IP-DB2026-10-24 23:59
Last updated2026-06-17 12:41

Assigned by (CNA): microsoft
NVD status: Analyzed

View at source: CVE.org · NVD

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