What’s Vulnerable › Vulnerabilities

CVE-2026-41288: WatchGuard Agent on Windows Privilege Escalation Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-06 · updated 2026-10-26
• Weakness: CWE-732

Description

Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Windows allows an authenticated local user to elevate their privileges to NT AUTHORITY\\SYSTEM.

Affected products

• WatchGuard Agent: before 1.25.03.0000 — fixed in 1.25.03.0000

How to fix

Upgrade to a fixed version: WatchGuard Agent 1.25.03.0000. Check the vendor advisory for mitigations.

References

• https://psirt.watchguard.com/CVE-2026-41288
• https://www.watchguard.com/wgrd-psirt/advisory/WGSA-2026-00011

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