PT-2026-48429 · Notepad++ · Notepad++

Michele Piccinni + 4 · CVE-2026-52884 · Published 2026-05-30 · Updated 2026-07-07

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Notepad++ (affected versions not specified)

Description A zero-click remote code execution (RCE) issue exists due to path traversal. Path traversal is a technique that allows an attacker to access files and directories that are stored outside the web root folder by manipulating variables that reference files with dot-dot-slash (../) sequences.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Link Following

Weakness Enumeration

CWE-42

CWE-59

Related Identifiers

BDU:2026-08136

CVE-2026-52884

GHSA-P58X-R3C9-X9P6

Affected Products

Notepad++

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52884.json · Exploit
• https://github.com/notepad-plus-plus/notepad-plus-plus/commit/ea1508855e9c4528f6198ce9d345f13cb759ebf4 · Patch
• https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-p58x-r3c9-x9p6 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-52884 · Security Note
• https://osv.dev/vulnerability/CVE-2026-52884 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-08136 · Security Note
• https://twitter.com/7okesh/status/2074420258845364348 · Twitter Post
• https://twitter.com/betterhn20/status/2064713205079851206 · Twitter Post
• https://twitter.com/RigneySec/status/2064669733623083170 · Twitter Post
• https://t.me/CVEtracker/58141 · Telegram Post
• https://t.me/cveNotify/178904 · Telegram Post
• https://news.ycombinator.com/item?id=48473731 · Note
• https://t.me/cveNotify/178492 · Telegram Post
• https://twitter.com/ToolsLib/status/2065490501763989896 · Twitter Post