CVE-2026-58649
.NET Information Disclosure Vulnerability
At a glance
- Severity
- MEDIUM 6.5
- EPSS
- EPSS 0.36 % · percentile 30 (2026-10-28)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
Scores
| Version | Score | Vector | Scored by |
|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N | NVD · secure@microsoft.com (Secondary) |
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:*cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:*cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:*cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:*cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:*cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:*cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_sdk:*:*:*:*:*:*:*:* ≥ 8.0.100 < 8.0.130cpe:2.3:a:microsoft:.net_sdk:*:*:*:*:*:*:*:* ≥ 8.0.200 < 8.0.424cpe:2.3:a:microsoft:.net_sdk:*:*:*:*:*:*:*:* ≥ 9.0.100 < 9.0.120cpe:2.3:a:microsoft:.net_sdk:*:*:*:*:*:*:*:* ≥ 9.0.200 < 9.0.317cpe:2.3:a:microsoft:.net_sdk:*:*:*:*:*:*:*:* ≥ 10.0.100 < 10.0.111cpe:2.3:a:microsoft:.net_sdk:*:*:*:*:*:*:*:* ≥ 10.0.200 < 10.0.400cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:-:*:* ≥ 17.14.0 < 17.14.40cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:* ≥ 18.9.0 < 18.9.3
Affected products
References
Sources
