CVE-2026-66822: .NET Information Disclosure Vulnerability
Microsoft · .NET 10.0 runtime
Vendor fix available · Affected: Microsoft .NET 10.0 runtime · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 56% of scored CVEs
DescriptionCVE.org
Insertion of sensitive information into sent data in .NET allows an unauthorized attacker to disclose information over a network.
Affected products6
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Microsoft · .NET 10.0 runtimefrom 10.0.0 before 10.0.13
- Microsoft · .NET 11.0 runtimefrom 11.0.0 before 11.0.0-rc.2
- Microsoft · .NET 8.0 runtimefrom 8.0.0 before 8.0.32
- Microsoft · .NET 9.0 runtimefrom 9.0.0 before 9.0.21
- Microsoft · Microsoft Visual Studio 2022 version 17.14from 17.14.0 before 17.14.42
- Microsoft · Microsoft Visual Studio 2026 version 18.10from 18.10.0 before 18.10.4
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Microsoft
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-66822 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.