CVE-2026-55015

{"id": "CVE-2026-55015", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55015", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-21T12:38:37.362698Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "Windows Remote Help", "versions": [{"status": "affected", "version": "5.0.0.0", "lessThan": "5.2.1040.0", "versionType": "custom"}]}]}], "published": "2026-08-20T22:17:22.080", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55015", "tags": ["Vendor Advisory", "Patch"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-427"}]}], "descriptions": [{"lang": "en", "value": "Uncontrolled search path element in Windows Remote Help allows an authorized attacker to deny service locally."}], "lastModified": "2026-08-26T15:01:41.980", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:remote_help:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "791D6D66-AE01-4B8C-B404-60FD3EB403D4", "versionEndExcluding": "5.2.1040.0"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}