{ "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" } } ] } }