CVE-2026-50463

HighCVSS 7.5/10Last modified Jul 22, 2026

Description

Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information over a network.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.7548
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.7548
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.8875
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.8875
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.2525
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.5386
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33158
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33158

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50463Patch, Vendor Advisory

Timeline

Published: Jul 14, 2026
Last modified: Jul 22, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-504657.1Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.CVE-2026-504667.8Use after free in Windows Brokering File System allows an authorized attacker to elevate privileges locally.CVE-2026-504677.8Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.CVE-2026-504686.5Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.CVE-2026-504697.8Improper link resolution before file access ('link following') in Windows Projected File System allows an authorized attacker to elevate pri CVE-2026-50475.7A vulnerability in Brocade SANnav before 2.4.0b and 3.0.0 prints encoded passwords and authentication tokens in log files. The vulnerabilit CVE-2026-504707.5Out-of-bounds read in Windows Network Policy Server SNMP allows an unauthorized attacker to disclose information over a network.CVE-2026-504717.8Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.CVE-2026-504727.0Heap-based buffer overflow in Windows LUAFV allows an authorized attacker to elevate privileges locally.CVE-2026-504735.5Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information lo CVE-2026-504748.8Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.CVE-2026-504755.5Buffer over-read in Windows Kernel allows an authorized attacker to disclose information locally.