CVE-2025-15556 in notepad-plus-plus notepad++
The LogPulse agent checks every host for the vulnerable version of this software, so you see where the CVE is present.
What the vulnerability is
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.
Affected software: notepad-plus-plus notepad++
Scores
- CVSS: 7.7 (high)
- EPSS: 1.75% chance of exploitation in the next 30 days
- CISA KEV: Known exploited, listed 2026-02-12
- Published: 2026-02-03
What LogPulse has for it
- Detection rule: No
- Agent check (vulnerable version): Yes, published
- Mitigation: No
Source data: NIST NVD, CISA KEV and FIRST EPSS. LogPulse processes new CVEs every hour.
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