CVE-2025-21171
At a glance
- Severity
- HIGH 7.5
- EPSS
- EPSS 1.72 % · percentile 77 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
.NET Remote Code Execution Vulnerability
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · secure@microsoft.com (Secondary) |
Weaknesses (CWE)
Advisories
- GHSA-p54p-p3qm-8vgj — Microsoft Security Advisory CVE-2025-21171 | .NET Remote Code Execution Vulnerability
European references
- ENISA EUVD · EUVD-2025-0075
- GCVE · GCVE-0-2025-21171
CERT-FR advisories
- CERTFR-2025-AVI-0041 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0040 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0039 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:.net:9.0.0:*:*:*:*:*:*:*cpe:2.3:a:microsoft:powershell:7.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.6.0 < 17.6.22cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.8.0 < 17.8.17cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.10.0 < 17.10.10cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.12.0 < 17.12.4
Affected products
| Product | Versions |
|---|---|
| Microsoft · .NET 9.0 | affected 9.0.0 < 9.0.1 |
| Microsoft · Microsoft Visual Studio 2022 version 17.10 | affected 17.10.0 < 17.10.10 |
| Microsoft · Microsoft Visual Studio 2022 version 17.12 | affected 17.12.0 < 17.12.4 |
| Microsoft · Microsoft Visual Studio 2022 version 17.6 | affected 17.6.0 < 17.6.22 |
| Microsoft · Microsoft Visual Studio 2022 version 17.8 | affected 17.8.0 < 17.8.17 |
| Microsoft · PowerShell 7.5 | affected 7.5.0 < 7.5.0 |
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 |