Fortinet FortiClientWindows up to 7.2.14/7.4.2 hard-coded key

CVSS Meta Temp Score
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiClientWindows up to 7.2.14/7.4.2. It has been classified as problematic. Affected is an unknown function. The manipulation leads to hard-coded key. This vulnerability is listed as CVE-2026-44278. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Fortinet FortiClientWindows up to 7.2.14/7.4.2 and classified as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a hard-coded key vulnerability. Using CWE to declare the problem leads to CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. Impacted is confidentiality. The summary by CVE is:

A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.2, FortiClientWindows 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

It is possible to read the advisory at fortiguard.fortinet.com. The identification of this vulnerability is CVE-2026-44278 since 05/05/2026. The exploitation is known to be easy. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.4
VulDB Meta Temp Score: 3.3

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 2.3
CNA Vector (fortinet): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded key
CWE: CWE-321 / CWE-320
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/05/2026 CVE reserved
05/12/2026 +7 days Advisory disclosed
05/12/2026 +0 days VulDB entry created
05/19/2026 +7 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-26-129
Status: Confirmed

CVE: CVE-2026-44278 (🔒)
GCVE (CVE): GCVE-0-2026-44278
GCVE (VulDB): GCVE-100-363263

Entryinfo

Created: 05/12/2026 20:28
Updated: 05/19/2026 08:52
Changes: 05/12/2026 20:28 (62), 05/19/2026 08:52 (12)
Complete: 🔍
Cache ID: 216::103

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