CVE-2026-5525

{"id": "CVE-2026-5525", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.0, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 0.8}]}, "published": "2026-04-10T08:16:26.067", "references": [{"url": "https://github.com/notepad-plus-plus/notepad-plus-plus/commit/bfe7514d68bc559534c046c4ef2d1865267aa2b0", "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c"}, {"url": "https://github.com/notepad-plus-plus/notepad-plus-plus/issues/17921", "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c"}, {"url": "https://github.com/notepad-plus-plus/notepad-plus-plus/pull/17930", "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c"}, {"url": "https://github.com/notepad-plus-plus/notepad-plus-plus/issues/17921", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handler component. When a user drags and drops a directory path of exactly 259 characters without a trailing backslash, the application appends a backslash and null terminator without proper bounds checking, resulting in a stack buffer overflow and application crash (STATUS_STACK_BUFFER_OVERRUN)."}], "lastModified": "2026-04-13T15:02:06.187", "sourceIdentifier": "33c584b5-0579-4c06-b2a0-8d8329fcab9c"}