cve 2026 54997

This tag archive covers cve 2026 54997, a Windows SMB vulnerability addressed in Microsoft’s July 14, 2026 security updates. The flaw involves SMB using an uninitialized resource, potentially exposing sensitive memory to an authorized attacker with local access and low privileges. The available coverage focuses on Microsoft’s fix for supported Windows 10, Windows 11, and Windows Server releases, along with deployment guidance for administrators. Readers can use this page to follow information about the relevant cumulative updates and recommended remediation. The reported guidance favors installing the applicable July updates rather than disabling file sharing or blocking SMB at the network boundary.