CVE-2026-41288

WatchGuard Agent on Windows Privilege Escalation Vulnerability

Published May 6, 2026 CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

WatchGuard Agent 1.25.03.0000

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Watchguard watchguard Agent
CPEs cpe:2.3:a:watchguard:single_watchguard_agent:*:*:*:*:*:*:*:* cpe:2.3:a:watchguard:watchguard_agent:*:*:*:*:*:*:*:*
Vendors & Products Watchguard watchguard Agent
References
Type Values Removed Values Added
First Time appeared Watchguard agent
CPEs cpe:2.3:a:watchguard:agent:*:*:*:*:*:windows:*:*
Vendors & Products Watchguard agent
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title WatchGuard Agent on Windows Privilege Escalation Vulnerability
First Time appeared Watchguard
Watchguard single Watchguard Agent
Weaknesses CWE-732
CPEs cpe:2.3:a:watchguard:single_watchguard_agent:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard single Watchguard Agent
References
Metrics cvssV4_0

{'score': 7.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WatchGuard
Published
Updated
Aug 10, 2026, 4:54 PM
Reserved
Apr 20, 2026, 9:57 AM
Status
Modified
Published
May 6, 2026, 4:16 PM
Modified
Oct 26, 2026, 7:10 PM