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As of 10/24/2026, libsmb2 recorded 4 security vulnerabilities in the last 90 days, of which 4 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of libsmb2 and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-115505libsmb2 before 6.3 Integer Overflow in DCE/RPC NDR Decoder via NetrShareEnumCVE-2026-110714libsmb2 through 6.2 Heap Out-of-Bounds Read via decode_acl Integer UnderflowCVE-2026-110713libsmb2 through 6.2 Heap Out-of-Bounds Read via File System Info DecodersCVE-2026-110712libsmb2 through 6.2 Heap Out-of-Bounds Read via smb2_decode_file_all_info| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-115505libsmb2 before 6.3 Integer Overflow in DCE/RPC NDR Decoder via NetrShareEnum | Exploitation statusActively exploited | FixYes | Published10/22/2026 | SeverityHigh |
CVE-2026-110714libsmb2 through 6.2 Heap Out-of-Bounds Read via decode_acl Integer Underflow | Exploitation statusActively exploited | FixYes | Published10/14/2026 | SeverityHigh |
CVE-2026-110713libsmb2 through 6.2 Heap Out-of-Bounds Read via File System Info Decoders | Exploitation statusActively exploited | FixYes | Published10/14/2026 | SeverityHigh |
CVE-2026-110712libsmb2 through 6.2 Heap Out-of-Bounds Read via smb2_decode_file_all_info | Exploitation statusActively exploited | FixYes | Published10/14/2026 | SeverityHigh |
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