CVE-2025-15556: notepad-plus-plus notepad++

csirt@kutim:~/threat-intel/cve/CVE-2025-15556

CVSS 7.5 · High KEV · sudah dieksploitasi EPSS 1,8%

Kerentanan Download of Code Without Integrity Check pada notepad-plus-plus notepad++. Skor CVSS 3.1 7.5 (High) menurut NVD. Masuk katalog KEV CISA pada 12 Februari 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 3 Februari 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-494: Download of Code Without Integrity Check
EPSS (30 hari): 1,8% peluang dieksploitasi; lebih tinggi dari 77,5% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama: Notepad++ Download of Code Without Integrity Check Vulnerability
Masuk KEV: 12 Februari 2026
Tenggat CISA: 5 Maret 2026 (untuk instansi federal AS)
Ransomware: Belum tercatat
Tindakan wajib: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
notepad-plus-plus	notepad++	Semua versi sebelum 8.8.9

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://notepad-plus-plus.org/news/hijacked-incident-info-update/ patch · advisory vendor
https://notepad-plus-plus.org//news//clarification-security-incident/ advisory vendor
https://github.com/notepad-plus-plus/notepad-plus-plus/commit/bcf2aa68ef414338d717e20e059459570ed6c5ab patch
https://github.com/notepad-plus-plus/wingup/commit/ce0037549995ed0396cc363544d14b3425614fdb patch
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-15556 pemerintah AS
https://www.vulncheck.com/advisories/notepad-plus-plus-wingup-updater-lacks-update-integrity-verification advisory pihak ketiga
https://community.notepad-plus-plus.org/topic/27298/notepad-v8-8-9-vulnerability-fix release notes

Sumber: NVD · CVE.org · KEV CISA · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.