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CVE-2026-50659 Details

Description

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50659	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-116	Improper Encoding or Escaping of Output	[email protected]

Affected Products

Product	Versions
microsoft .net framework	4.8.1 4.8 4.6.2 4.7 4.7.1
CPE cpe:2.3:a:microsoft:.net_framework:4.8.1:::::::* cpe:2.3:a:microsoft:.net_framework:4.8:::::::* cpe:2.3:a:microsoft:.net_framework:4.6.2:::::::* cpe:2.3:a:microsoft:.net_framework:4.7:::::::* cpe:2.3:a:microsoft:.net_framework:4.7.1:::::::* cpe:2.3:a:microsoft:.net_framework:4.7.2:::::::* cpe:2.3:a:microsoft:.net_framework:3.5:-:::::: Remediation No remediation found in references.
microsoft windows 11 26h1	All versions
CPE cpe:2.3:o:microsoft:windows_11_26h1:-::::::arm64: cpe:2.3:o:microsoft:windows_11_26h1:-::::::x64: cpe:2.3:o:microsoft:windows_11_26h1:::::::arm64:* cpe:2.3:o:microsoft:windows_11_26h1:::::::x64:* Remediation No remediation found in references.
microsoft windows 10 1607	All versions
CPE cpe:2.3:o:microsoft:windows_10_1607:-::::::x64: cpe:2.3:o:microsoft:windows_10_1607:-::::::x86: Remediation No remediation found in references.
microsoft windows server 2012	r2
CPE cpe:2.3:o:microsoft:windows_server_2012:-:::::::* cpe:2.3:o:microsoft:windows_server_2012:r2:::::::* Remediation No remediation found in references.
microsoft windows server 2016	All versions
CPE cpe:2.3:o:microsoft:windows_server_2016:-:::::::* Remediation No remediation found in references.
microsoft .net	>= 8.0.0, < 8.0.29 >= 9.0.0, < 9.0.18 >= 10.0.0, < 10.0.6
CPE cpe:2.3:a:microsoft:.net:::::::: Remediation No remediation found in references.
apple macos	All versions
CPE cpe:2.3:o:apple:macos:-:::::::* Remediation No remediation found in references.
linux linux kernel	All versions
CPE cpe:2.3:o:linux:linux_kernel:-:::::::* Remediation No remediation found in references.
microsoft windows	All versions
CPE cpe:2.3:o:microsoft:windows:-:::::::* Remediation No remediation found in references.
microsoft windows 10 21h2	All versions
CPE cpe:2.3:o:microsoft:windows_10_21h2:-::::::arm64: cpe:2.3:o:microsoft:windows_10_21h2:-::::::x64: cpe:2.3:o:microsoft:windows_10_21h2:-::::::x86: Remediation No remediation found in references.
microsoft windows 10 22h2	All versions
CPE cpe:2.3:o:microsoft:windows_10_22h2:-::::::arm64: cpe:2.3:o:microsoft:windows_10_22h2:-::::::x64: cpe:2.3:o:microsoft:windows_10_22h2:-::::::x86: Remediation No remediation found in references.
microsoft windows 11 23h2	All versions
CPE cpe:2.3:o:microsoft:windows_11_23h2:-::::::arm64: cpe:2.3:o:microsoft:windows_11_23h2:-::::::x64: Remediation No remediation found in references.
microsoft windows 11 24h2	All versions
CPE cpe:2.3:o:microsoft:windows_11_24h2:-::::::arm64: cpe:2.3:o:microsoft:windows_11_24h2:-::::::x64: Remediation No remediation found in references.
microsoft windows 11 25h2	All versions
CPE cpe:2.3:o:microsoft:windows_11_25h2:-::::::arm64: cpe:2.3:o:microsoft:windows_11_25h2:-::::::x64: Remediation No remediation found in references.
microsoft windows server 2022	All versions
CPE cpe:2.3:o:microsoft:windows_server_2022:-:::::::* Remediation No remediation found in references.
microsoft windows 10 1809	All versions
CPE cpe:2.3:o:microsoft:windows_10_1809:-::::::x64: cpe:2.3:o:microsoft:windows_10_1809:-::::::x86: Remediation No remediation found in references.
microsoft windows server 2019	All versions
CPE cpe:2.3:o:microsoft:windows_server_2019:-:::::::* Remediation No remediation found in references.
microsoft visual studio 2022	>= 17.12.0, < 17.12.22 >= 17.14.0, < 17.14.36
CPE cpe:2.3:a:microsoft:visual_studio_2022:::::::: Remediation No remediation found in references.
microsoft visual studio 2026	>= 18.7.0, < 18.7.4
CPE cpe:2.3:a:microsoft:visual_studio_2026:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jul 24, 2026	Initial Analysis	[email protected]
Jul 22, 2026	CVE Modified	[email protected]
Jul 22, 2026	CVE Modified	[email protected]
Jul 21, 2026	CVE Modified	[email protected]
Jul 15, 2026	CVE Modified	[email protected]
Jul 14, 2026	CVE Modified	CISA-ADP
Jul 14, 2026	New CVE Received	[email protected]

CVE-2026-50659 Details

Description

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References to Advisories, Solutions, and Tools

Weakness Enumeration

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