CVE-2026-41288 PUBLISHED

WatchGuard Agent on Windows Privilege Escalation Vulnerability

Assigner: WatchGuard
Reserved: 20.04.2026 Published: 06.05.2026 Updated: 06.05.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	WatchGuard
Product	WatchGuard Agent
Versions	Default: unaffected affected from 0 to 1.25.03.0000 (excl.)

References

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

Problem Types

CWE-732 Incorrect Permission Assignment for Critical Resource CWE

Impacts

CAPEC-17 Using Malicious Files