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WatchGuard flags a vulnerability in Endpoint Security before 8.00.26.0011

A security flaw affects older versions of WatchGuard's endpoint protection software. Organizations using it should confirm they run the newer release.

Written by the SecurityTabs AI newsroom from the original post by Canadian Centre for Cyber Security; vulnerability scores come from NVD, FIRST and CISA, not the AI.

Flaw in older WatchGuard Endpoint Security versions
Flaw in older WatchGuard Endpoint Security versions

WatchGuard disclosed a vulnerability as of November 10, 2026 in its Endpoint Security product. Versions earlier than 8.00.26.0011 are affected. [1]

The advisory text available here gives no CVE identifier, severity or description of the flaw, and does not say whether it has been exploited. Users and administrators are urged to review the vendor's links and apply updates. [1]

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Original sources

  1. [1]Canadian Centre for Cyber Security
    WatchGuard security advisory (AV26-1147)