{"schema_version":1,"title":"Notepad-Plus-Plus Notepad\\+\\+ vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Notepad-Plus-Plus Notepad\\+\\+: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-54758, was published on 17 August 2026.","url":"https://junglewise.ai/threats/technologies/notepad","json_url":"https://junglewise.ai/threats/technologies/notepad.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/notepad","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":3},"latest":[{"cve":"CVE-2026-54758","cvss":7.8,"epss":0.0019,"slug":"cve-2026-54758-notepad-stack-buffer-overflow-in-expandnppenvironmentstrs","title":"Notepad++ stack buffer overflow in expandNppEnvironmentStrs","severity":"high","exploited":false,"published_at":"2026-08-17T20:16:44.323+00:00","url":"https://junglewise.ai/threats/cve-2026-54758-notepad-stack-buffer-overflow-in-expandnppenvironmentstrs"},{"cve":"CVE-2021-47944","cvss":7.5,"epss":0.0028,"slug":"cve-2021-47944-memono-notepad-denial-of-service-via-excessive-character-input","title":"memono Notepad denial of service via excessive character input","severity":"high","exploited":false,"published_at":"2026-05-10T13:16:30.76+00:00","url":"https://junglewise.ai/threats/cve-2021-47944-memono-notepad-denial-of-service-via-excessive-character-input"},{"cve":"CVE-2026-5525","cvss":6,"epss":0.0001,"slug":"cve-2026-5525-notepad-stack-buffer-overflow-in-file-drop-handler","title":"Notepad++ stack buffer overflow in file drop handler","severity":"medium","exploited":false,"published_at":"2026-04-10T08:16:26.067+00:00","url":"https://junglewise.ai/threats/cve-2026-5525-notepad-stack-buffer-overflow-in-file-drop-handler"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Notepad-Plus-Plus Notepad\\+\\+","slug":"notepad","vendor":{"name":"Notepad-Plus-Plus","slug":"notepad-plus-plus","url":"https://junglewise.ai/threats/vendors/notepad-plus-plus"},"aliases":[],"homepage":"https://notepad-plus-plus.org/","repo_url":"https://github.com/notepad-plus-plus/notepad-plus-plus","description":"Notepad++ is a free source code editor and Notepad replacement that supports several languages.","url":"https://junglewise.ai/threats/technologies/notepad"},"most_severe":[{"cve":"CVE-2026-54758","cvss":7.8,"epss":0.0019,"slug":"cve-2026-54758-notepad-stack-buffer-overflow-in-expandnppenvironmentstrs","title":"Notepad++ stack buffer overflow in expandNppEnvironmentStrs","severity":"high","exploited":false,"published_at":"2026-08-17T20:16:44.323+00:00","url":"https://junglewise.ai/threats/cve-2026-54758-notepad-stack-buffer-overflow-in-expandnppenvironmentstrs"},{"cve":"CVE-2021-47944","cvss":7.5,"epss":0.0028,"slug":"cve-2021-47944-memono-notepad-denial-of-service-via-excessive-character-input","title":"memono Notepad denial of service via excessive character input","severity":"high","exploited":false,"published_at":"2026-05-10T13:16:30.76+00:00","url":"https://junglewise.ai/threats/cve-2021-47944-memono-notepad-denial-of-service-via-excessive-character-input"},{"cve":"CVE-2026-5525","cvss":6,"epss":0.0001,"slug":"cve-2026-5525-notepad-stack-buffer-overflow-in-file-drop-handler","title":"Notepad++ stack buffer overflow in file drop handler","severity":"medium","exploited":false,"published_at":"2026-04-10T08:16:26.067+00:00","url":"https://junglewise.ai/threats/cve-2026-5525-notepad-stack-buffer-overflow-in-file-drop-handler"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}