CVE-2025-55248: Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network

Medium severity · published Oct 14, 2025

CVE-2025-55248

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

5.7

CVSS

0.7%

EPSS

On KEV

Description

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

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

Required

Confidentiality

High

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.7% · higher than 54% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

.net · Microsoft

8.0.0 before 8.0.21; 9.0.0 before 9.0.10 · source: NVD

.net Framework · Microsoft

4.6.2; 4.7; 4.7.1; 4.7.2; 4.6.2; 3.5.1; +9 more · source: NVD

Visual Studio 2022 · Microsoft

17.10.0 before 17.10.20; 17.12.0 before 17.12.13; 17.14.0 before 17.14.17 · source: NVD

Affected product

.net

Microsoft

All .net CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-55248

CVE.org

https://www.cve.org/CVERecord?id=CVE-2025-55248

Vendor Advisory

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55248