{"id":"CVE-2026-83923","revision":null,"records":[{"revision":"529fa16461214a20a2250d3aff64c6c0","observedAt":"2026-10-23T23:48:20.643+00:00","statement":{"source":"cve-program","id":"CVE-2026-83923","aliases":[],"title":"Microsoft OpenSSH for Windows Remote Code Execution Vulnerability","description":"Relative path traversal in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.","state":0,"publishedAt":"2026-10-13T19:01:02.971+00:00","modifiedAt":"2026-10-23T22:28:51.441+00:00","affected":[{"ecosystem":"Vendor product","name":"Windows 10 Version 1809","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 10 Version 1809\",\n \"platforms\": [\n \"32-bit Systems\",\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.17763.0\",\n \"lessThan\": \"10.0.17763.9376\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows 10 Version 21H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 10 Version 21H2\",\n \"platforms\": [\n \"32-bit Systems\",\n \"ARM64-based Systems\",\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.19044.0\",\n \"lessThan\": \"10.0.19044.7807\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows 10 Version 22H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 10 Version 22H2\",\n \"platforms\": [\n \"32-bit Systems\",\n \"ARM64-based Systems\",\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.19045.0\",\n \"lessThan\": \"10.0.19045.7807\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows 11 version 23H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 11 version 23H2\",\n \"platforms\": [\n \"ARM64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.22631.0\",\n \"lessThan\": \"10.0.22631.7652\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows 11 Version 23H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 11 Version 23H2\",\n \"platforms\": [\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.22631.0\",\n \"lessThan\": \"10.0.22631.7652\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows 11 Version 24H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 11 Version 24H2\",\n \"platforms\": [\n \"ARM64-based Systems\",\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.26100.0\",\n \"lessThan\": \"10.0.26100.9711\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows 11 Version 25H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 11 Version 25H2\",\n \"platforms\": [\n \"ARM64-based Systems\",\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.26200.0\",\n \"lessThan\": \"10.0.26200.9711\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows 11 version 26H1","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 11 version 26H1\",\n \"platforms\": [\n \"ARM64-based Systems\",\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.28000.0\",\n \"lessThan\": \"10.0.28000.3231\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows 11 Version 26H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows 11 Version 26H2\",\n \"platforms\": [\n \"ARM64-based Systems\",\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.26300.0\",\n \"lessThan\": \"10.0.26300.9711\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows Server 2019","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows Server 2019\",\n \"platforms\": [\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.17763.0\",\n \"lessThan\": \"10.0.17763.9376\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows Server 2019 (Server Core installation)","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows Server 2019 (Server Core installation)\",\n \"platforms\": [\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.17763.0\",\n \"lessThan\": \"10.0.17763.9376\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows Server 2022","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows Server 2022\",\n \"platforms\": [\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.20348.0\",\n \"lessThan\": \"10.0.20348.5761\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows Server 2025","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows Server 2025\",\n \"platforms\": [\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.26100.0\",\n \"lessThan\": \"10.0.26100.33650\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Windows Server 2025 (Server Core installation)","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"Microsoft\",\n \"product\": \"Windows Server 2025 (Server Core installation)\",\n \"platforms\": [\n \"x64-based Systems\"\n ],\n \"versions\": [\n {\n \"version\": \"10.0.26100.0\",\n \"lessThan\": \"10.0.26100.33650\",\n \"versionType\": \"custom\",\n \"status\": \"affected\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":8.8,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83923"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-83923","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-83923","identifiers":["CVE-2026-83923"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-25T01:17:09.6768972+00:00","complete":true,"records":1756,"lastAttemptAt":"2026-10-25T01:17:09.6768972+00:00","lastSuccessAt":"2026-10-25T01:17:09.8351465+00:00","error":null,"lastVerifiedAt":"2026-10-25T01:17:09.8351474+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-9b3cad78792c7367da03684feab05819ddebc4d137048bdbbdabdbb4d2879391-8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85","complete":true,"records":413918,"lastAttemptAt":"2026-10-25T01:17:08.7674244+00:00","lastSuccessAt":"2026-10-25T01:17:08.7519872+00:00","error":null,"lastVerifiedAt":"2026-10-25T01:17:08.7674244+00:00","snapshotPublishedAt":"2026-10-25T00:45:54+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-43321610382942b8ad8c85917eab1546","complete":false,"records":4735,"lastAttemptAt":"2026-10-25T01:17:37.8902036+00:00","lastSuccessAt":"2026-10-24T23:18:49.862+00:00","error":"InvalidDataException","lastVerifiedAt":"2026-10-24T23:18:49.862+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":4764,"expectedIdentifiers":13474},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-25T01:17:09.6768972+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-25T01:17:09.6768972+00:00","lastSuccessAt":"2026-10-25T01:17:09.8359184+00:00","error":null,"lastVerifiedAt":"2026-10-25T01:17:09.8359186+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-6cc81592cb504105afba28a6bd03afa3","complete":false,"records":6468,"lastAttemptAt":"2026-10-25T01:17:35.7967657+00:00","lastSuccessAt":"2026-10-25T01:17:35.793+00:00","error":null,"lastVerifiedAt":"2026-10-25T01:17:35.793+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":6500,"expectedIdentifiers":13474},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-2375a4e597279abf92e8747e140fe8da9d421877cd49cae3ac69a2cb78469b2c","complete":true,"records":9779,"lastAttemptAt":"2026-10-25T01:17:09.5296698+00:00","lastSuccessAt":"2026-10-24T13:19:53.1346702+00:00","error":null,"lastVerifiedAt":"2026-10-25T01:17:09.5296698+00:00","snapshotPublishedAt":"2026-10-24T03:03:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-16ad89dfea13ab9e9b0108e63a759d63bd4559cc68b58491107d62ee35bbbaf2","complete":true,"records":1965,"lastAttemptAt":"2026-10-25T01:17:08.9279036+00:00","lastSuccessAt":"2026-10-23T16:01:26.4487605+00:00","error":null,"lastVerifiedAt":"2026-10-25T01:17:08.9279036+00:00","snapshotPublishedAt":"2026-10-21T12:18:07+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-7da67a15aa6e56a0e3081a7646dc74d537e6ef974afc593c2b1794ed01970648","complete":true,"records":2969,"lastAttemptAt":"2026-10-25T01:17:09.6382619+00:00","lastSuccessAt":"2026-10-24T13:19:59.1145547+00:00","error":null,"lastVerifiedAt":"2026-10-25T01:17:09.6382619+00:00","snapshotPublishedAt":"2026-10-24T08:47:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-01c673643721642d348dd2cebd6ec154e69bb7cd20a86eeae91240dc3610a60f","complete":true,"records":230735,"lastAttemptAt":"2026-10-25T01:17:09.4220217+00:00","lastSuccessAt":"2026-10-24T13:19:32.2429544+00:00","error":null,"lastVerifiedAt":"2026-10-25T01:17:09.4220217+00:00","snapshotPublishedAt":"2026-10-24T04:48:23+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null}]}