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CVE-2026-50302

MEDIUM

4.2

CVSS 3.1

Metadata

CVE ID: CVE-2026-50302
State: PUBLISHED
Assigner: microsoft
Reserved: 2026-06-04 17:30 UTC
Published: 2026-07-14 17:06 UTC
Last updated: 2026-07-14 19:38 UTC
Primary CWE: CWE-295
CWE-295: Improper Certificate Validation
Vendor / Product: Microsoft / Windows 10 Version 21H2
Sources: cve.org · NVD

Severity & Metrics

4.2 MEDIUM CVSS 3.1

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

Affected products (8)

Vendor	Product	Platform	Versions
Microsoft	Windows 10 Version 21H2	32-bit Systems,ARM64-based Systems,x64-based Systems	10.0.19044.0 < 10.0.19044.7548
Microsoft	Windows 10 Version 22H2	32-bit Systems,ARM64-based Systems,x64-based Systems	10.0.19045.0 < 10.0.19045.7548
Microsoft	Windows 11 Version 24H2	ARM64-based Systems,x64-based Systems	10.0.26100.0 < 10.0.26100.8875
Microsoft	Windows 11 Version 25H2	ARM64-based Systems,x64-based Systems	10.0.26200.0 < 10.0.26200.8875
Microsoft	Windows 11 version 26H1	ARM64-based Systems,x64-based Systems	10.0.28000.0 < 10.0.28000.2269
Microsoft	Windows Server 2022	x64-based Systems	10.0.20348.0 < 10.0.20348.5386
Microsoft	Windows Server 2025	x64-based Systems	10.0.26100.0 < 10.0.26100.33158
Microsoft	Windows Server 2025 (Server Core installation)	x64-based Systems	10.0.26100.0 < 10.0.26100.33158

Weakness (CWE)

CWE	Source	Description
CWE-295	cna	CWE-295: Improper Certificate Validation

CVSS scores (1)

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

References (1)

Windows Cryptographic Services Security Feature Bypass Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50302

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