CVE-2026-59841
Fortinet FortiSIEMWindowsAgent Improper Restriction of Communication Channel Vulnerability
Description
A improper restriction of communication channel to intended endpoints vulnerability in Fortinet FortiSIEMWindowsAgent 7.4.0 through 7.4.1 may allow attacker to escalation of privilege via <insert attack vector here>
INFO
Published Date :
July 14, 2026, 4:17 p.m.
Last Modified :
July 15, 2026, 5:17 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-59841
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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 6abe59d8-c742-4dff-8ce8-9b0ca1073da8 | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update FortiSIEM Windows Agent to the latest version.
- Verify communication channel configurations.
- Apply vendor patches for security.
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-2026-59841.
| URL | Resource |
|---|---|
| https://fortiguard.fortinet.com/psirt/FG-IR-26-155 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-59841 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-2026-59841
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-2026-59841 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-59841 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 15, 2026
Action Type Old Value New Value Changed SSVC {'id': 'CVE-2026-59841', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-14T15:50:33.791638Z'} {'id': 'CVE-2026-59841', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-14T00:00:00+00:00'} -
Initial Analysis by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Added CWE NVD-CWE-Other Added CPE Configuration AND OR *cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (excluding) 7.4.2 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Added Reference Type Fortinet, Inc.: https://fortiguard.fortinet.com/psirt/FG-IR-26-155 Types: Vendor Advisory -
New CVE Received by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:fortinet:fortisiemwindowsagent:7.4.1:*:*:*:*:*:*:*', 'cpe:2.3:a:fortinet:fortisiemwindowsagent:7.4.0:*:*:*:*:*:*:*'], 'vendor': 'Fortinet', 'product': 'FortiSIEMWindowsAgent', 'versions': [{'status': 'affected', 'version': '7.4.0', 'versionType': 'semver', 'lessThanOrEqual': '7.4.1'}], 'defaultStatus': 'unaffected'}] Added Description A improper restriction of communication channel to intended endpoints vulnerability in Fortinet FortiSIEMWindowsAgent 7.4.0 through 7.4.1 may allow attacker to escalation of privilege via <insert attack vector here> Added CVSS V3.1 AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-923 Added Reference https://fortiguard.fortinet.com/psirt/FG-IR-26-155 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 14, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-59841', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-14T15:50:33.791638Z'}