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CVE-2026-4026— FlexNet Manager Suite Privilege Escalation Vulnerability

Quick assessment

Affected
Flexera FlexNet Manager Suite
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Flexera flexnet manager suite 2015是美国Flexera公司的一套企业许可管理套装。 Flexera FlexNet Manager Suite 2025 R1版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制问题，可能导致具有只读权限的已认证用户权限提升至管理员级别。

AI Predicted 9.1 Difficulty: Easy EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Flexera FlexNet Manager Suite 2025 R1 affected
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I. Basic Information for CVE-2026-4026

Vulnerability Information
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Vulnerability Title
FlexNet Manager Suite Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been identified in FlexNet Manager Suite 2025 R1 that could allow an authenticated user with read-only access to account settings to escalate their privileges to Administrator level.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Flexera FlexNet Manager Suite 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flexera flexnet manager suite 2015是美国Flexera公司的一套企业许可管理套装。 Flexera FlexNet Manager Suite 2025 R1版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制问题，可能导致具有只读权限的已认证用户权限提升至管理员级别。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Flexera FlexNet Manager Suite 2025 R1 -

II. Public POCs for CVE-2026-4026

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III. Intelligence Information for CVE-2026-4026

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Security Blog Posts for CVE-2026-4026 (1)

IV. Related Vulnerabilities

Same product: FlexNet Manager Suite
Same vendor: Flexera
Same weakness: CWE-284

V. Comments for CVE-2026-4026

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