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CVE-2026-50659

MEDIUM

6.5

CVSS 3.1

Metadata

CVE ID: CVE-2026-50659
State: PUBLISHED
Assigner: microsoft
Reserved: 2026-06-05 14:33 UTC
Published: 2026-07-14 19:40 UTC
Last updated: 2026-07-14 20:48 UTC
Primary CWE: CWE-116
CWE-116: Improper Encoding or Escaping of Output
Vendor / Product: Microsoft / .NET 10.0
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (6)

Vendor	Product	Platform	Versions
Microsoft	.NET 10.0	—	10.0.0 < 10.0.6
Microsoft	.NET 8.0	—	8.0.0 < 8.0.29
Microsoft	.NET 9.0	—	9.0.0 < 9.0.18
Microsoft	Microsoft Visual Studio 2022 version 17.12	—	17.12.0 < 17.12.22
Microsoft	Microsoft Visual Studio 2022 version 17.14	—	17.14.0 < 17.14.36
Microsoft	Microsoft Visual Studio 2026 version 18.7	—	18.0 < 18.7.4

Weakness (CWE)

CWE	Source	Description
CWE-116	cna	CWE-116: Improper Encoding or Escaping of Output

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.5	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

References (1)

.NET Spoofing Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50659

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