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"CVE-2026-78453", "state": "PUBLISHED", "dateUpdated": "2026-10-14T23:13:49.442Z", "dateReserved": "2026-08-24T16:21:50.287Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2026-09-08T17:18:26.152Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

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"14138B1B-9554-4B1D-84C6-485FB9763DA4", "versionEndExcluding": "10.0.17763.9245", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "496A12F9-40BF-4A40-948B-BDB1C5D17DCB", "versionEndExcluding": "10.0.20348.5622", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "matchCriteriaId": "48D75543-6B91-41E9-A1FB-1A09A2CBD738", "versionEndExcluding": "10.0.26100.33438", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information over a network."}], "id": "CVE-2026-78453", "lastModified": "2026-09-24T23:19:06.407", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-78453", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-08T19:19:24.919056Z", "version": "2.0.3"}}]}, "published": "2026-09-08T18:20:43.793", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78453"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-191"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{}