CVE-2026-53477

{"id": "CVE-2026-53477", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53477", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-19T19:54:25.730798Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security_alert@emc.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security_alert@emc.com", "affectedData": [{"vendor": "Dell", "product": "Dell Command Update (DCU)", "versions": [{"status": "affected", "version": "0", "lessThan": "5.7.1", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-19T15:17:10.417", "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000501378/dsa-2026-309-security-update-for-dell-command-update-for-multiple-vulnerabilities", "tags": ["Vendor Advisory"], "source": "security_alert@emc.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-367"}]}], "descriptions": [{"lang": "en", "value": "Dell Command Update (DCU), versions prior to 5.7.1, contain a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges."}], "lastModified": "2026-08-21T13:41:04.760", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:dell:command_update:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7E2E7FB7-4672-4144-A076-0F285A53245C", "versionEndExcluding": "5.7.1"}], "operator": "OR"}]}], "sourceIdentifier": "security_alert@emc.com"}