{"id":"CVE-2026-96103","aliases":[],"cve":{"records":[{"id":"CVE-2026-96103","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-22T18:19:24.216Z","published":"2026-11-10T18:17:39.797Z","modified":"2026-11-13T18:06:31.096Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-11-13T18:06:31.096Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-11T00:32:34.729Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96103","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","source":"microsoft"}],"applicability":[{"source":"microsoft","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.22631.0","versionEndExcluding":"10.0.22631.7711"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*","versionStartIncluding":"10.0.22631.0","versionEndExcluding":"10.0.22631.7711"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.9974"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.26200.0","versionEndExcluding":"10.0.26200.9974"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:windows_11_version_26h2_for_arm64-based_systems:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.26300.0","versionEndExcluding":"10.0.26300.9974"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.33822"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.26100.0","versionEndExcluding":"10.0.26100.33822"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.28000.0","versionEndExcluding":"10.0.28000.3501"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-11T00:25:53.028670Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Desktop Window Manager Elevation of Privilege Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.","score":7.8,"severity":"high","published":"2026-11-10T18:17:39.797Z","modified":"2026-11-13T18:06:31.096Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Windows 11 version 23H2","platforms":["ARM64-based Systems"],"versions":[{"version":"10.0.22631.0","status":"affected","lessThan":"10.0.22631.7711","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"},{"vendor":"Microsoft","name":"Windows 11 Version 23H2","platforms":["x64-based Systems"],"versions":[{"version":"10.0.22631.0","status":"affected","lessThan":"10.0.22631.7711","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"},{"vendor":"Microsoft","name":"Windows 11 Version 24H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.9974","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"},{"vendor":"Microsoft","name":"Windows 11 Version 25H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26200.0","status":"affected","lessThan":"10.0.26200.9974","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"},{"vendor":"Microsoft","name":"Windows 11 version 26H1","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.28000.0","status":"affected","lessThan":"10.0.28000.3501","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"},{"vendor":"Microsoft","name":"Windows 11 Version 26H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26300.0","status":"affected","lessThan":"10.0.26300.9974","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"},{"vendor":"Microsoft","name":"Windows Server 2025","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33822","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"},{"vendor":"Microsoft","name":"Windows Server 2025 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33822","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96103"],"sources":[{"name":"CVE","id":"CVE-2026-96103","modified":"2026-11-13T18:06:31.096Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":7.8}],"sourceAffected":[],"observedAt":"2026-11-13T19:28:24.655Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T21:20:32.434Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-11T10:35:44.356Z","attemptedAt":"2026-11-11T10:35:44.356Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-11T10:35:44.288Z","attemptedAt":"2026-11-11T10:35:44.288Z"},{"source":"EUVD","status":"refresh-failed","attemptedAt":"2026-11-11T10:35:40.267Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-11T10:35:43.878Z","attemptedAt":"2026-11-11T10:35:43.878Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-638f-3vgq-v93m","url":"https://github.com/advisories/GHSA-638f-3vgq-v93m","modified":"2026-11-10T21:34:18Z","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-11-11T10:35:44.288Z"},{"source":"NVD","id":"CVE-2026-96103","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96103","modified":"2026-11-11T01:17:40.783","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-11-11T10:35:44.356Z"}],"aiSummary":{"text":"A heap-based buffer overflow in the Desktop Window Manager in Windows 11 and Windows Server 2025 allows an authorized attacker to elevate privileges locally. The affected versions are Windows 11 23H2, 24H2, 25H2, 26H1, and 26H2, and Windows Server 2025. The weakness is a heap-based buffer overflow.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-11T01:21:14.422Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-96103"}]}}