SB2026052110 - Privilege escalation in Notepad++
Published: May 21, 2026
Security Bulletin ID
SB2026052110
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Untrusted search path (CVE-ID: CVE-2026-46710)
CWE-ID: CWE-426 - Untrusted Search Path
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to usage of an untrusted search path in the installer. A local user can set the working directory to the installation contextMenu directory and invoke powershell.exe without using an absolute path.
Remediation
Install update from vendor's website.