{"id":"CVE-2026-96951","aliases":[],"title":"Windows Shell Security Feature Bypass Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","products":[{"vendor":"Microsoft","name":"Outlook.com","platforms":[],"versions":[{"version":"1.0.0","status":"affected","lessThan":"20260925.100","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 10 Version 1607","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"10.0.14393.0","status":"affected","lessThan":"10.0.14393.9612","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 10 Version 1809","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.9376","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 10 Version 21H2","platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.19044.0","status":"affected","lessThan":"10.0.19044.7807","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 10 Version 22H2","platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.19045.0","status":"affected","lessThan":"10.0.19045.7807","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 11 version 23H2","platforms":["ARM64-based Systems"],"versions":[{"version":"10.0.22631.0","status":"affected","lessThan":"10.0.22631.7652","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 11 Version 23H2","platforms":["x64-based Systems"],"versions":[{"version":"10.0.22631.0","status":"affected","lessThan":"10.0.22631.7652","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 11 Version 24H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.9711","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 11 Version 25H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26200.0","status":"affected","lessThan":"10.0.26200.9711","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 11 version 26H1","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.28000.0","status":"affected","lessThan":"10.0.28000.3231","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows 11 Version 26H2","platforms":["ARM64-based Systems","x64-based Systems"],"versions":[{"version":"10.0.26300.0","status":"affected","lessThan":"10.0.26300.9711","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2012 R2","platforms":["x64-based Systems"],"versions":[{"version":"6.3.9600.0","status":"affected","lessThan":"6.3.9600.23470","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2012 R2 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"6.3.9600.0","status":"affected","lessThan":"6.3.9600.23470","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2016","platforms":["x64-based Systems"],"versions":[{"version":"10.0.14393.0","status":"affected","lessThan":"10.0.14393.9612","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2016 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.14393.0","status":"affected","lessThan":"10.0.14393.9612","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2019","platforms":["x64-based Systems"],"versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.9376","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2019 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.9376","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2022","platforms":["x64-based Systems"],"versions":[{"version":"10.0.20348.0","status":"affected","lessThan":"10.0.20348.5761","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2025","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33650","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"},{"vendor":"Microsoft","name":"Windows Server 2025 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33650","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"}],"remediation":[],"description":"Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.","severity":"high","score":8.8,"published":"2026-10-13T19:01:26.801Z","modified":"2026-10-26T19:14:57.654Z","withdrawn":false,"knownExploited":true,"affected":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96951"],"sources":[{"name":"CVE","id":"CVE-2026-96951","modified":"2026-10-26T19:14:57.654Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-96951"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","score":8.8}],"sourceAffected":[],"kev":{"status":"listed","checkedAt":"2026-10-29T04:20:33.105Z","cveID":"CVE-2026-96951","vendorProject":"Microsoft","product":"Windows","vulnerabilityName":"Microsoft Windows Command Injection Vulnerability","dateAdded":"2026-10-13","shortDescription":"Microsoft Windows Shell contains a command injection vulnerability that allows an unauthorized attacker to bypass a security feature over a network.","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","dueDate":"2026-10-16","knownRansomwareCampaignUse":"Unknown","forensicTriage":"Yes","notes":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-96951 ; BOD 26-04: BOD 26-04: Prioritizing Security Updates Based on Risk | CISA ; Forensics Triage Requirements: BOD 26-04: Implementation Guidance for Prioritizing Security Updates Based on Risk | CISA ;  https://nvd.nist.gov/vuln/detail/CVE-2026-96951","cwes":["CWE-77"]},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-28T15:20:32.206Z","attemptedAt":"2026-10-28T15:20:32.206Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-28T15:20:32.206Z","attemptedAt":"2026-10-28T15:20:32.206Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-28T15:20:31.984Z","attemptedAt":"2026-10-28T15:20:31.984Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-28T15:20:32.206Z","attemptedAt":"2026-10-28T15:20:32.206Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-100274","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-100274","modified":"Oct 26, 2026, 7:14:57 PM","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","checkedAt":"2026-10-28T15:20:31.984Z"},{"source":"NVD","id":"CVE-2026-96951","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96951","modified":"2026-10-16T17:18:00.760","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-10-28T15:20:32.206Z"},{"source":"GitHub Advisory Database","id":"GHSA-hjr5-mppg-mjq7","url":"https://github.com/advisories/GHSA-hjr5-mppg-mjq7","modified":"2026-10-13T21:37:14Z","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-10-28T15:20:32.206Z"},{"source":"FIRST EPSS","id":"CVE-2026-96951","url":"https://www.first.org/epss/","probability":0.09813,"percentile":0.95532,"date":"2026-10-28","checkedAt":"2026-10-28T15:20:32.206Z"}]}