[NEW] [high] Notepad++: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in Notepad++ to execute arbitrary code, disclose information, manipulate files, and bypass security measures.
CSIRTS triage
- What
- Multiple vulnerabilities in Notepad++ can allow an attacker to execute arbitrary code, disclose information, manipulate files, and bypass security measures.
- Who is affected
- All deployments of Notepad++ are affected.
- Urgency
- Remediation is urgent due to the high severity of the vulnerabilities.
- Action
- Users should update to the latest version of Notepad++.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2312
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-52886 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-54758 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-57233 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Notepad++
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownNotepad++ security advisory (AV26-703)cccs · 2026-07-15
- mediumCVE-2026-52885: Notepad++ is a free and open-source source code editor. Prior to 8.9.6.4, NppCommands.cpp chec…nvd · 2026-06-26
- highCVE-2026-52884: Notepad++ is a free and open-source source code editor. In v8.9.6.1, isInTrustedDirectory() do…nvd · 2026-06-26
- highCVE-2026-48800: Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the tag text content…nvd · 2026-06-26
- highCVE-2026-48778: Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the tag in config.xm…nvd · 2026-06-26
- mediumCVE-2026-48770: Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, a local process in t…nvd · 2026-06-26
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