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26 June 2026

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • Medium 5.0
    CVE-2026-48770 Public exploit

    Notepad++ WM_COPYDATA COPYDATA_FULL_CMDLINE local DoS crash

    Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, a local process in the same interactive Windows session can send a malformed WM_COPYDATA message to Notepad++ using the COPYDATA_FULL_CMDLINE path. The handler appears to process COPYDA…

    notepad-plus-plus notepad-plus-plus
  • Medium 6.5
    CVE-2026-8380 Public exploit

    Frontend File Manager Plugin <= 23.6 - Author+ Arbitrary Post Deletion

    The Frontend File Manager Plugin WordPress plugin through 23.6 does not properly verify ownership of every targeted post before permanent deletion, allowing authenticated users with author-level access and above to permanently delete arbitrary posts and pages…

    Web / CMS
  • Medium 5.5
    CVE-2026-39031 Public exploit

    Lansweeper lsrunase 2.0 and lsencrypt 2.0 use RC4 encryption with a hardcoded 142-byte static key array to encrypt cred…