CVE-2026-41288
WatchGuard Agent on Windows Privilege Escalation Vulnerability
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.
INFO
Published Date :
May 6, 2026, 4:16 p.m.
Last Modified :
May 11, 2026, 6:35 p.m.
Remotely Exploit :
No
Source :
5d1c2695-1a31-4499-88ae-e847036fd7e3
Affected Products
The following products are affected by CVE-2026-41288
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 5d1c2695-1a31-4499-88ae-e847036fd7e3 | ||||
| CVSS 4.0 | HIGH | 5d1c2695-1a31-4499-88ae-e847036fd7e3 |
Solution
- Update the WatchGuard Agent software.
- Verify patch installation and permissions.
- Restart affected services if necessary.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-41288.
| URL | Resource |
|---|---|
| https://www.watchguard.com/wgrd-psirt/advisory/WGSA-2026-00011 | Not Applicable |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-41288 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-41288
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-41288 vulnerability anywhere in the article.
-
CybersecurityNews
WatchGuard Agent Vulnerabilities Let Attackers Grant Full SYSTEM Privileges on Windows
WatchGuard has released urgent security updates to address multiple high-severity vulnerabilities affecting the WatchGuard Agent on Windows. The most critical of these flaws allows authenticated local ... Read more
The following table lists the changes that have been made to the
CVE-2026-41288 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 11, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:watchguard:agent:*:*:*:*:*:windows:*:* versions up to (excluding) 1.25.03.0000 Added Reference Type WatchGuard Technologies, Inc.: https://www.watchguard.com/wgrd-psirt/advisory/WGSA-2026-00011 Types: Not Applicable -
New CVE Received by 5d1c2695-1a31-4499-88ae-e847036fd7e3
May. 06, 2026
Action Type Old Value New Value 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. Added CVSS V4.0 AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-732 Added Reference https://www.watchguard.com/wgrd-psirt/advisory/WGSA-2026-00011