Microsoft Patched Multiple Windows Information Disclosure Flaws Across Kernel and Storage Components
Patch & Detection Intelligence · 21 sources · Updated 4mo ago · First seen May 25, 2026

Microsoft published security updates for a broad set of information disclosure vulnerabilities affecting Windows components including the Windows Kernel, Secure Kernel Mode, Storage Port Driver, Kerberos, File Explorer, Push Notification, and Storage Spaces features. The referenced advisories identify numerous CVEs, including CVE-2025-21319, CVE-2025-21323, CVE-2025-21242, CVE-2025-32722, CVE-2025-49684, CVE-2025-48808, CVE-2025-48809, CVE-2025-48810, CVE-2025-26636, CVE-2025-55683, CVE-2025-59184, CVE-2025-59209, CVE-2026-32217, and CVE-2026-32218, along with earlier related issues such as CVE-2024-49082 and CVE-2022-21877.
The disclosures show a recurring pattern of sensitive data exposure risks in core Windows subsystems, with repeated findings in kernel and storage-related code paths. While the individual entries provide limited public detail, the breadth of affected components indicates that enterprises should prioritize Microsoft security updates for systems running Windows workloads that rely on low-level kernel, storage, authentication, and user-interface services, as these flaws could allow attackers to obtain information that may aid further compromise.


