CVE-2026-33825

{"id": "CVE-2026-33825", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.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}]}, "published": "2026-04-14T18:17:35.100", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-33825", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://www.huntress.com/blog/nightmare-eclipse-intrusion", "tags": ["Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-1220"}]}], "descriptions": [{"lang": "en", "value": "Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally."}], "lastModified": "2026-04-23T17:26:30.713", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:defender_antimalware_platform:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6EAD29A5-76E3-454D-A56D-46706F02347F", "versionEndExcluding": "4.18.26030.3011"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}