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CVE-2026-86054 Notepad++: Stack Buffer Overflow in `NppParameters::writeSession` via overlong session path

🗓️ 22 Sep 2026 17:12:38Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Notepad++ is a free and open-source source code editor. Prior to 8.9.8, Notepad++ contains a stack buffer overflow in NppParameters::writeSession in PowerEditor/src/Parameters.cpp because it copies a session path derived from -settingsDir= into ba...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-86054
23 Sep 202616:45
circl
cve
CVE
CVE-2026-86054
22 Sep 202617:12
cve
euvd
EUVD
EUVD-2026-84572
22 Sep 202617:12
euvd
nvd
NVD
CVE-2026-86054
22 Sep 202618:17
nvd
[
  {
    "vendor": "notepad-plus-plus",
    "product": "notepad-plus-plus",
    "versions": [
      {
        "version": "< 8.9.8",
        "status": "affected"
      }
    ]
  }
]

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22 Sep 2026 17:12Current
CVSS 3.17.8
EPSS0.00202
31