{"id":"CVE-2025-56383","state":"PUBLISHED","title":"Notepad++ v8.8.3 has a DLL hijacking vulnerability, which can replace the original DLL file to execute malicious code. NOTE: this is disputed by multiple parties because the behavi","description":"Notepad++ v8.8.3 has a DLL hijacking vulnerability, which can replace the original DLL file to execute malicious code. NOTE: this is disputed by multiple parties because the behavior only occurs when a user installs the product into a directory tree that allows write access by arbitrary unprivileged users.","publishedAt":"2025-09-26T00:00:00.000Z","updatedAt":"2026-02-26T17:47:55.453Z","severity":{"score":8.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/notepad-plus-plus/notepad-plus-plus","https://github.com/zer0t0/CVE-2025-56383-Proof-of-Concept","https://github.com/zer0t0/CVE-2025-56383-Proof-of-Concept/issues/1","https://www.vicarius.io/vsociety/posts/cve-2025-56383-detect-notepad-vulnerability","https://www.vicarius.io/vsociety/posts/cve-2025-56383-mitigate-notepad-vulnerability"],"weaknesses":["CWE-427"],"ingestedAt":"2026-10-29T20:09:39.787Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/56xxx/CVE-2025-56383.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-56383","state":"PUBLISHED","datePublished":"2025-09-26T00:00:00.000Z","dateUpdated":"2026-02-26T17:47:55.453Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2025-08-16T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Notepad++ v8.8.3 has a DLL hijacking vulnerability, which can replace the original DLL file to execute malicious code. NOTE: this is disputed by multiple parties because the behavior only occurs when a user installs the product into a directory tree that allows write access by arbitrary unprivileged users."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/notepad-plus-plus/notepad-plus-plus"},{"url":"https://github.com/zer0t0/CVE-2025-56383-Proof-of-Concept"},{"url":"https://github.com/zer0t0/CVE-2025-56383-Proof-of-Concept/issues/1"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-56383-detect-notepad-vulnerability"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-56383-mitigate-notepad-vulnerability"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2025-11-19T14:32:21.646Z"},"tags":["disputed"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.4,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2025-56383","role":"CISA Coordinator","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-09-30T03:55:10.161379Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-427","lang":"en","type":"CWE","description":"CWE-427 Uncontrolled Search Path Element"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T17:47:55.453Z"}}]}}}