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The vulnerability of the isInTrustedDirectory() function in the RunDlg.cpp script of the Notepad++ editor allows a hacker to execute arbitrary code.

🗓️ 15 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

The Notepad editor isInTrustedDirectory() vulnerability permits arbitrary code execution due to ambiguous path handling.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-52884
26 Jun 202620:11
attackerkb
Circl
CVE-2026-52884
10 Jun 202611:18
circl
CVE
CVE-2026-52884
26 Jun 202620:11
cve
Cvelist
CVE-2026-52884 Notepad++: CVE-2026-48800 Bypass
26 Jun 202620:11
cvelist
EUVD
EUVD-2026-39903
26 Jun 202620:11
euvd
NVD
CVE-2026-52884
26 Jun 202621:16
nvd
Positive Technologies
PT-2026-48429
30 May 202600:00
ptsecurity
Vulnrichment
CVE-2026-52884 Notepad++: CVE-2026-48800 Bypass
26 Jun 202620:11
vulnrichment
Vulners
Node
don_honotepad++Match8.9.6.1

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15 Jun 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 26.8
CVSS 37.8
EPSS0.00155
1