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4 vulnerabilities found for Notepad++ by Notepad++
CVE-2026-6539 (GCVE-0-2026-6539)
Vulnerability from nvd – Published: 2026-04-30 20:31 – Updated: 2026-05-01 14:21
VLAI
Title
Notepad++ 8.9.3 Format String Injection via nativeLang.xml
Summary
Notepad++ 8.9.3 contains a format string injection vulnerability in the Find Results panel handler that allows attackers to cause denial of service and information disclosure by crafting a malicious nativeLang.xml language pack file. Attackers can distribute a poisoned language pack through community channels that triggers format string interpretation when a user performs search operations, leading to access violations and potential leakage of stack or register contents.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally Controlled Format String
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://notepad-plus-plus.org/news/v894-released/ | patch |
| https://www.vulncheck.com/advisories/notepad-form… | third-party-advisory |
Impacted products
Credits
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CVE-2026-3008 (GCVE-0-2026-3008)
Vulnerability from nvd – Published: 2026-04-27 06:04 – Updated: 2026-04-27 13:29
VLAI
Title
Vulnerability in Notepad++
Summary
Successful exploitation of the
string injection vulnerability could allow an attacker to obtain memory address
information or crash the application.
Severity
6.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
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CVE-2026-6539 (GCVE-0-2026-6539)
Vulnerability from cvelistv5 – Published: 2026-04-30 20:31 – Updated: 2026-05-01 14:21
VLAI
Title
Notepad++ 8.9.3 Format String Injection via nativeLang.xml
Summary
Notepad++ 8.9.3 contains a format string injection vulnerability in the Find Results panel handler that allows attackers to cause denial of service and information disclosure by crafting a malicious nativeLang.xml language pack file. Attackers can distribute a poisoned language pack through community channels that triggers format string interpretation when a user performs search operations, leading to access violations and potential leakage of stack or register contents.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally Controlled Format String
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://notepad-plus-plus.org/news/v894-released/ | patch |
| https://www.vulncheck.com/advisories/notepad-form… | third-party-advisory |
Impacted products
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CVE-2026-3008 (GCVE-0-2026-3008)
Vulnerability from cvelistv5 – Published: 2026-04-27 06:04 – Updated: 2026-04-27 13:29
VLAI
Title
Vulnerability in Notepad++
Summary
Successful exploitation of the
string injection vulnerability could allow an attacker to obtain memory address
information or crash the application.
Severity
6.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
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