CVE-2026-50659
CVE-2026-50659: 2 tracked advisory records across MS Server, Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
MS Server
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-50659] .NET Spoofing Vulnerability
CVE-2026-50659Source published
.NET Spoofing Vulnerability Affected products named by the advisory: Microsoft.NET Framework 4.8 on Windows Server 2016; Microsoft.NET Framework 4.8 on Windows Server 2012; Microsoft.NET Framework 4.8 on Windows Server 2012 R2; Microsoft.NET Framework 3.5 AND 4.8 on Windows Server 2019; and 4 more. Affected products named by the advisory: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022; Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019; Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012.
- Affected products in this advisory
- Microsoft .NET Framework 4.8 on Windows Server 2016
- Microsoft .NET Framework 4.8 on Windows Server 2012 R2
- Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019
- Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022
3 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- KB5104034 (build 10.0.10)
- KB5104032 (build 8.0.29)
- KB5104033 (build 9.0.18)
- KB5101007 (build 4.8.4803.0)
4 more entries in the full advisory.
- Mitigation guidance
- Install the applicable security update for your platform: KB5104034, KB5104032, KB5104033, KB5101007, KB5101009, KB5101011 (see the Microsoft Update Catalog).
Red Hat
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-50659] .NET:.NET: Network Spoofing Vulnerability
CVE-2026-50659Source published Source updated
Improper encoding or escaping of output in.NET allows an authorized attacker to perform spoofing over a network. A flaw was found in.NET. This allows the attacker to perform spoofing over a network, potentially deceiving users or systems into believing they are interacting with a trusted entity. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N). Weakness: CWE-838. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Hardened Images. Red Hat lists Red Hat OpenShift Dev Spaces as not affected. Red Hat fixing advisory…
- Affected products in this advisory
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9.6 Extended Update Support
4 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- dotnet8.0-0:8.0.129-1.el10_2
- dotnet9.0-0:9.0.119-1.el10_2
- dotnet10.0-0:10.0.110-1.el10_2
- dotnet8.0-0:8.0.130-1.el10_0
30 more entries in the full advisory.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
Android app · Google Play
Turn CVE research into alerts on your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.