{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85995", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-04T19:17:36.245Z", "datePublished": "2026-09-22T17:15:05.375Z", "dateUpdated": "2026-09-22T17:43:17.068Z"}, "containers": {"cna": {"title": "Notepad++: Authenticode verification bypass allows modified updater execution", "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "lang": "en", "description": "CWE-347: Improper Verification of Cryptographic Signature", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-cx87-7hhq-m2j3", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-cx87-7hhq-m2j3"}, {"name": "https://github.com/notepad-plus-plus/notepad-plus-plus/commit/9edf40f725ce62b26c454905e39f0f7fdbbb3ffa", "tags": ["x_refsource_MISC"], "url": "https://github.com/notepad-plus-plus/notepad-plus-plus/commit/9edf40f725ce62b26c454905e39f0f7fdbbb3ffa"}, {"name": "https://github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9.8"}, {"name": "https://notepad-plus-plus.org/news/v898-released", "tags": ["x_refsource_MISC"], "url": "https://notepad-plus-plus.org/news/v898-released"}], "affected": [{"vendor": "notepad-plus-plus", "product": "notepad-plus-plus", "versions": [{"version": "< 8.9.8", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-22T17:15:05.375Z"}, "descriptions": [{"lang": "en", "value": "Notepad++ is a free and open-source source code editor. From 8.9.7 until 8.9.8, the Notepad++ updater and signature verification path can accept a modified GUP.exe file whose embedded certificate metadata remains present even though its Authenticode digest is invalid. An attacker who can replace or plant the updater-related file can cause Notepad++ to launch attacker-modified code when a user triggers the updater path, but the issue does not provide remote code execution by itself. This issue is fixed in version 8.9.8."}], "source": {"advisory": "GHSA-cx87-7hhq-m2j3", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-22T17:35:40.027541Z", "id": "CVE-2026-85995", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-22T17:43:17.068Z"}}]}}