CVE-2026-57233
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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Exploitation outlook
- Low exploitation risk0.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[NEW] [high] Notepad++: Multiple vulnerabilitiescert-bund · 2026-08-18
- highCVE-2026-57233: Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the WinGup decompress …nvd · 2026-08-17
External references
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[](https://www.csirts.com/cve/CVE-2026-57233)