{"id":"CVE-2026-78453","aliases":[],"cve":{"records":[{"id":"CVE-2026-78453","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-08-24T16:21:50.287Z","published":"2026-09-08T17:18:26.152Z","modified":"2026-10-30T21:56:43.887Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-10-30T21:56:43.887Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-09-08T19:19:36.418Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78453","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-191","description":"CWE-191: Integer Underflow (Wrap or 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Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33438","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-78453"},{"vendor":"Microsoft","name":"Windows Server 2025 (Server Core installation)","platforms":["x64-based 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Advisory Database","id":"GHSA-f45x-7qvr-q7vc","url":"https://github.com/advisories/GHSA-f45x-7qvr-q7vc","modified":"2026-09-08T18:33:47Z","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","checkedAt":"2026-10-31T03:55:34.603Z"},{"source":"FIRST EPSS","id":"CVE-2026-78453","url":"https://www.first.org/epss/","probability":0.00922,"percentile":0.60303,"date":"2026-10-30","checkedAt":"2026-10-31T03:55:34.603Z"},{"source":"ENISA EUVD","id":"EUVD-2026-73805","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-73805","modified":"Oct 30, 2026, 9:56:43 PM","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","checkedAt":"2026-10-31T03:55:35.415Z"}],"aiSummary":{"text":"Microsoft Windows SCSI Class System File has an integer underflow vulnerability, allowing an attacker to disclose information over a network, affecting various Windows versions, including Windows 10 and Windows Server. The weakness is due to an integer underflow. The impact is information disclosure.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-31T01:01:06.140Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-78453"}]}}