CVE-2025-15556
- EPSS 1.27%
- Veröffentlicht 03.02.2026 01:15:57
- Zuletzt bearbeitet 13.02.2026 14:03:47
- Quelle disclosure@vulncheck.com
- CVE-Watchlists
- Unerledigt
Notepad++ < 8.8.9 WinGUp Updater Lacks Update Integrity Verification
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.
Login12.02.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog
Notepad++ Download of Code Without Integrity Check Vulnerability
SchwachstelleNotepad++ 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.
BeschreibungApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Erforderliche Maßnahmen| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 1.27% | 0.659 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 1.6 | 5.9 |
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
|
| disclosure@vulncheck.com | 7.7 | 0 | 0 |
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
|
The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.