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Notepad++ Download of Code Without Integrity Check Vulnerability

CVE-2025-15556 Unknown In-The-Wild Exploited

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Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026

Notepad++ when using the WinGUp updater, contains a download of code without integrity check vulnerability that could allow an attacker to intercept or redirect update traffic to download and execute an attacker-controlled installer. This could lead to arbitrary code execution with the privileges of the user.

Tindakan Mitigasi yang Wajib Diterapkan (Required Action)

Instruksi Keamanan untuk Pengelola TI / OPD

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Seluruh pengelola server dan aplikasi di lingkungan OPD Kabupaten Ciamis diimbau untuk segera mengaudit perangkat terdampak dan mengaplikasikan patch sebelum batas waktu mitigasi.

Produk & Versi Terdampak

Produk	Versi Basis	Batas Terdampak	Status Keamanan
notepad-plus-plus	0	8.8.9	AFFECTED

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Threat Intelligence Matrix

CVE Identifier

CVE-2025-15556

Vendor / Project Notepad++

Produk Terdampak Notepad++

Skor CVSS

N/A / 10.0

Status Eksploitasi AKTIF (In-The-Wild)

Kampanye Ransomware Tidak Diketahui

Automatable (Wormable) Unknown

Dampak Teknis Total

Sumber Intelijen CISA KEV

Butuh Pendampingan Mitigasi?

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Peringatan Lainnya

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Out-of-bounds write in bccomp() via crafted operand and scale

CVE-2026-17543 High

SQL injection in ext-pgsql via E'...' backslash breakout

CVE-2026-7260 Medium

Stack overflow in phar with circular symlinks

CVE-2026-109619 Critical

RCE via stale global state

CSIRT Assistant

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