CVE-2015-7560: The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6,...

Security readout for executives and security teams

This flaw affects older Samba file-sharing servers. An authenticated network user could abuse SMB1 behavior to alter file access controls they should not control. The main business risk is unauthorized access or permission changes on shared files, especially where many users or legacy clients still use SMB shares. Exposure is most likely on legacy Samba deployments that still support SMB1 and allow authenticated users access to file shares. Public source data lists affected Samba branches but does not provide product-specific deployment prevalence. Treat as a legacy file-sharing access-control issue. It is not listed as actively exploited in the provided sources, but remediation should be scheduled promptly where Samba shares contain sensitive data or serve many authenticated users. Mitigation focus: Upgrade Samba to the fixed branch versions or later where applicable.; Apply matching Debian, Ubuntu, Fedora, SUSE, openSUSE, or HPE vendor updates.; Prioritize servers with shared write access or broad authenticated user populations..

Prepared

Jun 13, 2026, 21:06 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.