CVE-2025-15556
Notepad++ Download of Code Without Integrity Check Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 7.7
- EPSS
- 1.27% 백분위 66.1% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2026.03.05
- 공개일
- 2026.02.03
CISA KEV에 등록된 실제 악용 확인 취약점
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.
공급사 Notepad++
제품 Notepad++
영향 버전 0, < 8.8.9
수정 버전 8.8.9
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
조치 기한: 2026.03.05CVSS 벡터 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE CWE-494
KEV 등록일 2026.02.12
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://notepad-plus-plus.org/news/clarification-security-incident/ ; https://community.notepad-plus-plus.org/topic/27298/notepad-v8-8-9-vulnerability-fix ; https://nvd.nist.gov/vuln/detail/CVE-2025-15556
EPSS 데이터 기준일 2026.06.27