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19 vulnerabilities found for by notepad-plus-plus
CVE-2026-57233 (GCVE-0-2026-57233)
Vulnerability from cvelistv5
Published
2026-08-17 20:10
Modified
2026-08-18 18:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the WinGup decompress function joins untrusted ZIP entry names to unzipDestTo without canonical containment validation, allowing an entry such as ../mimeTools/mimeTools.dll to overwrite a DLL in a sibling plugin directory and execute attacker-controlled code when Notepad++ next loads that plugin. This issue is fixed in version 8.9.7.
References
| URL | Tags | |
|---|---|---|
|
|
||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.7 |
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}
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}
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},
"title": "Notepad++: Path Traversal (Zip Slip) in WinGup Plugin Extraction"
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CVE-2026-52886 (GCVE-0-2026-52886)
Vulnerability from cvelistv5
Published
2026-08-17 20:09
Modified
2026-08-18 15:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.7, Notepad++ validates the backupFilePath attribute from session.xml with std::wstring::starts_with against the expected backup directory without path normalization, allowing parent-directory sequences during snapshot-mode restoration to read an arbitrary user-readable file outside the backup directory into an editor tab. This issue is fixed in version 8.9.7.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.7 |
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}
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"discovery": "UNKNOWN"
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CVE-2026-71858 (GCVE-0-2026-71858)
Vulnerability from cvelistv5
Published
2026-08-17 20:08
Modified
2026-08-17 20:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.7, macros loaded from an attacker-controlled shortcuts.xml bypass the HMAC validation applied to UserDefinedCommands and can invoke Scintilla actions and the internal Open in Default Viewer command in an elevated Notepad++ process, allowing protected file modification and conditional elevated command execution when a local attacker influences settingsDir and a user triggers the macro. This issue is fixed in version 8.9.7.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.7 |
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}
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}
],
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},
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],
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}
],
"source": {
"advisory": "GHSA-f4rj-vqq4-wvg4",
"discovery": "UNKNOWN"
},
"title": "Notepad++: shortcuts.xml Macro HMAC Bypass Enables Conditional Elevated Command Execution"
}
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CVE-2026-54758 (GCVE-0-2026-54758)
Vulnerability from cvelistv5
Published
2026-08-17 20:05
Modified
2026-08-17 22:01
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the expandNppEnvironmentStrs function in PowerEditor/src/WinControls/StaticDialog/RunDlg/RunDlg.cpp copies a Notepad++ variable name between $( and ) into the fixed-size wchar_t str[MAX_PATH] stack buffer without bounding the m loop index, allowing a name of 260 or more characters to corrupt adjacent stack data, terminate the process through __report_gsfailure, and potentially execute code. This issue is fixed in version 8.9.7.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.7 |
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],
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"x_refsource_MISC"
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},
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"name": "https://github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9.7",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9.7"
}
],
"source": {
"advisory": "GHSA-gv94-327x-2gc5",
"discovery": "UNKNOWN"
},
"title": "Notepad++: Stack Buffer Overflow in expandNppEnvironmentStrs"
}
},
"cveMetadata": {
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"datePublished": "2026-08-17T20:05:51.923Z",
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-73250 (GCVE-0-2026-73250)
Vulnerability from cvelistv5
Published
2026-08-11 22:04
Modified
2026-08-13 15:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the Notepad++ Windows 11 x64 and ARM64 installer passes the attacker-influenced installation directory `$INSTDIR` from PowerEditor/installer/nppSetup.nsi into a PowerShell `-Command` string used by RegisterMSIX to invoke Add-AppxPackage, allowing PowerShell subexpression syntax such as `$()` in the installation path to execute commands in the installer's security context when the context menu component is selected. This issue is fixed in version 8.9.7.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.7 |
{
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"adp": [
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CVE-2026-48770 (GCVE-0-2026-48770)
Vulnerability from cvelistv5
Published
2026-06-26 20:22
Modified
2026-06-29 12:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, a local process in the same interactive Windows session can send a malformed WM_COPYDATA message to Notepad++ using the COPYDATA_FULL_CMDLINE path. The handler appears to process COPYDATASTRUCT.lpData as an unbounded NUL-terminated wchar_t* instead of enforcing COPYDATASTRUCT.cbData. This vulnerability is fixed in 8.9.6.1.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.6.1 |
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CVE-2026-48778 (GCVE-0-2026-48778)
Vulnerability from cvelistv5
Published
2026-06-26 20:21
Modified
2026-06-29 13:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the <GUIConfig name="commandLineInterpreter"> tag in config.xml is read by NppXml::value() (Parameters.cpp:6430) and stored in _nppGUI._commandLineInterpreter without any validation, whitelist, or digital signature check. When the user triggers IDM_FILE_OPEN_CMD (File → Open Containing Folder → cmd), NppCommands.cpp:228 creates a Command object with this value and calls run(), which invokes ShellExecute (RunDlg.cpp:221) with the attacker-controlled string as the executable path. This vulnerability is fixed in 8.9.6.1.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.6.1 |
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CVE-2026-52885 (GCVE-0-2026-52885)
Vulnerability from cvelistv5
Published
2026-06-26 20:19
Modified
2026-06-29 13:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.6.4, NppCommands.cpp checks the HMAC of the on-disk shortcuts.xml at the moment a user command fires (Time-of-Check). However, the command payload is taken from the in-memory _userCommands vector, which is populated at application startup and never re-synchronized with the on-disk file (Time-of-Use). Swapping shortcuts.xml between startup and command execution causes the HMAC check to validate a clean file while a malicious command runs. An attacker with write access to shortcuts.xml places a malicious version on disk before launch, then immediately restores the legitimate file. The HMAC check at execution time validates the restored legitimate file (check passes), while the malicious payload executes from memory. This vulnerability is fixed in 8.9.6.4.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.6.4 |
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CVE-2026-46710 (GCVE-0-2026-46710)
Vulnerability from cvelistv5
Published
2026-06-26 20:16
Modified
2026-06-29 13:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-426 - Untrusted Search Path
Summary
Notepad++ is a free and open-source source code editor. From 8.9.4 until 8.9.6, Notepad++ contains a local privilege escalation vulnerability in the installer. During installation, the installer invokes powershell.exe without using an absolute path after setting the working directory to the installation contextMenu directory. If an attacker can pre-place a malicious powershell.exe in a user-writable custom installation directory, and a privileged user later runs the installer and selects that directory, the attacker-controlled executable is launched with the elevated privileges of the installer. This vulnerability is fixed in 8.9.6.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: >= 8.9.4, < 8.9.6 |
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CVE-2026-48800 (GCVE-0-2026-48800)
Vulnerability from cvelistv5
Published
2026-06-26 20:12
Modified
2026-06-30 03:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Summary
Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the <Command> tag text content inside <UserDefinedCommands> in shortcuts.xml is read by NppXml::value(aNode) (Parameters.cpp:3658) in the feedUserCmds() function and stored in UserCommand._cmd without any validation. When the user clicks the corresponding entry in the Run menu, NppCommands.cpp:4264 creates a Command object with string2wstring(ucmd.getCmd()) and calls run(), which invokes ShellExecute (RunDlg.cpp:221) with the attacker-controlled string as the executable path. The injected command appears as a normal menu item in the Run menu, making it a viable persistence mechanism. This vulnerability is fixed in 8.9.6.1.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.6.1 |
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CVE-2026-52884 (GCVE-0-2026-52884)
Vulnerability from cvelistv5
Published
2026-06-26 20:11
Modified
2026-06-29 12:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-42 - Path Equivalence: 'filename.' (Trailing Dot)
Summary
Notepad++ is a free and open-source source code editor. In v8.9.6.1, isInTrustedDirectory() does NOT canonicalize the path before checking. It uses a prefix-based check (PathIsPrefix() or equivalent) that matches paths starting with trusted directory strings. A path traversal using ..\..\ after a trusted directory prefix passes the check while resolving to an untrusted location. The CVE-2026-48800 patch adds isInTrustedDirectory() validation in Command::run() (RunDlg.cpp) before calling ShellExecute(). This function checks whether the resolved executable path is under a trusted directory. This vulnerability is fixed in 8.9.6.2.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: = 8.9.6.1 |
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CVE-2026-25926 (GCVE-0-2026-25926)
Vulnerability from cvelistv5
Published
2026-02-18 23:07
Modified
2026-02-19 17:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-426 - Untrusted Search Path
Summary
Notepad++ is a free and open-source source code editor. An Unsafe Search Path vulnerability (CWE-426) exists in versions prior to 8.9.2 when launching Windows Explorer without an absolute executable path. This may allow execution of a malicious explorer.exe if an attacker can control the process working directory. Under certain conditions, this could lead to arbitrary code execution in the context of the running application. Version 8.9.2 patches the issue.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.9.2 |
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CVE-2025-15556 (GCVE-0-2025-15556)
Vulnerability from cvelistv5
Published
2026-02-03 00:50
Modified
2026-03-05 01:29
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-494 - Download of Code Without Integrity Check
Summary
Notepad++ versions prior to 8.8.9, when using the WinGUp updater, contain an update integrity verification vulnerability where downloaded update metadata and installers are not cryptographically verified. An attacker able to intercept or redirect update traffic can cause the updater to download and execute an attacker-controlled installer, resulting in arbitrary code execution with the privileges of the user.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: 0 ≤ |
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CVE-2025-49144 (GCVE-0-2025-49144)
Vulnerability from cvelistv5
Published
2025-06-23 19:01
Modified
2026-02-26 17:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Notepad++ is a free and open-source source code editor. In versions 8.8.1 and prior, a privilege escalation vulnerability exists in the Notepad++ v8.8.1 installer that allows unprivileged users to gain SYSTEM-level privileges through insecure executable search paths. An attacker could use social engineering or clickjacking to trick users into downloading both the legitimate installer and a malicious executable to the same directory (typically Downloads folder - which is known as Vulnerable directory). Upon running the installer, the attack executes automatically with SYSTEM privileges. This issue has been fixed and will be released in version 8.8.2.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: < 8.8.2 |
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CVE-2023-40166 (GCVE-0-2023-40166)
Vulnerability from cvelistv5
Published
2023-08-25 20:20
Modified
2024-10-02 14:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to heap buffer read overflow in `FileManager::detectLanguageFromTextBegining `. The exploitability of this issue is not clear. Potentially, it may be used to leak internal memory allocation information. As of time of publication, no known patches are available in existing versions of Notepad++.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: <= 8.5.6 |
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CVE-2023-40164 (GCVE-0-2023-40164)
Vulnerability from cvelistv5
Published
2023-08-25 20:12
Modified
2024-10-02 14:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Summary
Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to global buffer read overflow in `nsCodingStateMachine::NextStater`. The exploitability of this issue is not clear. Potentially, it may be used to leak internal memory allocation information. As of time of publication, no known patches are available in existing versions of Notepad++.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: <= 8.5.6 |
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CVE-2023-40036 (GCVE-0-2023-40036)
Vulnerability from cvelistv5
Published
2023-08-25 19:58
Modified
2024-10-01 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Summary
Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to global buffer read overflow in `CharDistributionAnalysis::HandleOneChar`. The exploitability of this issue is not clear. Potentially, it may be used to leak internal memory allocation information. As of time of publication, no known patches are available in existing versions of Notepad++.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: <= 8.5.6 |
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CVE-2023-40031 (GCVE-0-2023-40031)
Vulnerability from cvelistv5
Published
2023-08-25 19:49
Modified
2024-10-02 14:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to heap buffer write overflow in `Utf8_16_Read::convert`. This issue may lead to arbitrary code execution. As of time of publication, no known patches are available in existing versions of Notepad++.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: <= 8.5.6 |
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CVE-2022-32168 (GCVE-0-2022-32168)
Vulnerability from cvelistv5
Published
2022-09-28 09:00
Modified
2025-05-21 14:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-427 - Uncontrolled Search Path Element
Summary
Notepad++ versions 8.4.1 and before are vulnerable to DLL hijacking where an attacker can replace the vulnerable dll (UxTheme.dll) with his own dll and run arbitrary code in the context of Notepad++.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| notepad-plus-plus | notepad-plus-plus |
Version: v8.3 < unspecified Version: unspecified < |
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