CVE-2026-52886
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-52886 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
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 risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-52886 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (2)
- high[NEW] [high] Notepad++: Multiple vulnerabilitiescert-bund · 2026-08-18
- unknownCVE-2026-52886: Notepad++ is a free and open-source source code editor. Prior to 8.9.7, Notepad++ validates th…nvd · 2026-08-17
External references
Embed the live status
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[](https://www.csirts.com/cve/CVE-2026-52886)