Out-of-bounds Read Affecting notepad-plus-plus/notepad-plus-plus package, versions [,8.9.6.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-NOTEPADPLUSPLUSNOTEPADPLUSPLUS-17660822
- published28 Jun 2026
- disclosed26 Jun 2026
- creditUnknown
Introduced: 26 Jun 2026
CVE-2026-48770 (opens in a new tab)How to fix?
Upgrade notepad-plus-plus/notepad-plus-plus to version 8.9.6.1 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read via the WM_COPYDATA message handler when processing the COPYDATA_FULL_CMDLINE path. An attacker can cause the application to crash by sending a specially crafted message from a local process in the same interactive Windows session.