---
cve: "CVE-2026-71858"
severity: "MEDIUM"
cvss: 5.4
epss: "10%"
vendor: "notepad-plus-plus"
kev: false
exploited: false
published: "2026-08-17 20:16:46"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-15T09:09:17+02:00"
---

# CVE-2026-71858

> 5.4 MEDIUM · 🧪 PoC

## Beschreibung

Notepad++ is a free and open-source source code editor. Prior to 8.9.7, macros loaded from an attacker-controlled shortcuts.xml bypass the HMAC validation applied to UserDefinedCommands and can invoke Scintilla actions and the internal Open in Default Viewer command in an elevated Notepad++ process, allowing protected file modification and conditional elevated command execution when a local attacker influences settingsDir and a user triggers the macro. This issue is fixed in version 8.9.7.

## CVSS-Vektor

```
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |

## Patch verfügbar (OSV)

- 7686e5a3025eaf1fb8e024c2ceb54670ea05f5fb (Commit)
- 6634650414ff91220a4c353b7fe5ad741af0f9f9 (Commit)

## Referenzen

- <https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-f4rj-vqq4-wvg4>
- <https://github.com/notepad-plus-plus/notepad-plus-plus/commit/7686e5a3025eaf1fb8e024c2ceb54670ea05f5fb>
- <https://github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9.7>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-71858) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_