CVE-2026-57907WatchGuard Endpoint Security Improper Privilege Management
NVD
Vulnerability Summary
A privilege escalation vulnerability in WatchGuard Endpoint Protection's inter-process communication between the console and the protection service allows a local, low-privileged authenticated user to execute arbitrary code with SYSTEM privileges by injecting code into the trusted console process and issuing privileged commands to the service.
CVSS v4.0 Base Metrics — Score 8.5 (HIGH)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NAttack VectorLocal
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Affected & Patched Versions
- WatchGuard Endpoint Security < 8.00.26.0011
- WatchGuard Endpoint Security 8.00.26.0011
What to do
Plan remediation soon. No exploitation is confirmed yet, but the severity is high.
- Check whether you run WatchGuard Endpoint Security and which version.
- Update to a patched version listed above, then confirm the new version.
Timeline
- Nov 10, 2026Published
- Nov 10, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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External References
- Vendor Advisoryhttps://psirt.watchguard.com/CVE-2026-57907
Data last checked: Nov 14, 2026 02:13 UTC