Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 7 products from microsoft, from microsoft, from apple and 4 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2026-09-08T18:17:44.380
2026-10-07T15:05:42.297
Analyzed
CVSSv3.1: 6.5 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | microsoft | .net | 11.0.0 | Yes |
| Application | microsoft | .net | 11.0.0 | Yes |
| Application | microsoft | .net | 11.0.0 | Yes |
| Application | microsoft | .net | 11.0.0 | Yes |
| Application | microsoft | .net | 11.0.0 | Yes |
| Application | microsoft | .net | 11.0.0 | Yes |
| Application | microsoft | .net | 11.0.0 | Yes |
| Application | microsoft | .net_sdk | < 8.0.130 | Yes |
| Application | microsoft | .net_sdk | < 8.0.424 | Yes |
| Application | microsoft | .net_sdk | < 9.0.120 | Yes |
| Application | microsoft | .net_sdk | < 9.0.317 | Yes |
| Application | microsoft | .net_sdk | < 10.0.111 | Yes |
| Application | microsoft | .net_sdk | < 10.0.400 | Yes |
| Operating System | apple | macos | - | No |
| Operating System | linux | linux_kernel | - | No |
| Operating System | microsoft | windows | - | No |
| Application | microsoft | visual_studio_2022 | < 17.14.40 | Yes |
| Application | microsoft | visual_studio_2026 | < 18.9.3 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.