CVE-2026-20841

{"id": "CVE-2026-20841", "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:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2026-02-10T18:16:22.643", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20841", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}, {"url": "https://news.ycombinator.com/item?id=46971516", "tags": ["Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-77"}]}], "descriptions": [{"lang": "en", "value": "Improper neutralization of special elements used in a command ('command injection') in Windows Notepad App allows an unauthorized attacker to execute code locally."}, {"lang": "es", "value": "Neutralizaci\u00f3n incorrecta de elementos especiales utilizados en un comando ('inyecci\u00f3n de comandos') en la aplicaci\u00f3n Bloc de notas de Windows permite a un atacante no autorizado ejecutar c\u00f3digo localmente."}], "lastModified": "2026-02-25T14:32:14.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:windows_notepad:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56B0AA8E-CC49-4C3B-949B-399BE988B00A", "versionEndExcluding": "11.2510"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}