CVE-2025-55248
.NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability
At a glance
- Severity
- MEDIUM 4.8
- EPSS
- EPSS 0.72 % · percentile 54 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.8 | 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 | microsoft |
| CVSS 3.1 | MEDIUM 4.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N | NVD · secure@microsoft.com (Secondary) |
| CVSS 3.1 | MEDIUM 5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
Advisories
- GHSA-gwq6-fmvp-qp68 — Microsoft Security Advisory CVE-2025-55248: .NET Information Disclosure Vulnerability
European references
- ENISA EUVD · EUVD-2025-34346
- GCVE · GCVE-0-2025-55248
CERT-FR advisories
- CERTFR-2026-AVI-0796 — Multiples vulnérabilités dans Tenable Identity Exposure · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0967 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0958 — Multiples vulnérabilités dans Tenable Identity Exposure · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0897 — Multiples vulnérabilités dans Tenable Identity Exposure · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0882 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0880 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0879 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
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 < 8.0.21cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*≥ 9.0.0 < 9.0.10cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.10.0 < 17.10.20cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.12.0 < 17.12.13cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.14.0 < 17.14.17cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
Affected products
References
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |