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CVE-2026-42958— Use After Free in Labcenter Proteus

CVSS 7.8 · High EPSS 0.13% · P3

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProductVersion RangeStatus
LabcenterProteus9.1_SP4_Build-42914affected
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I. Basic Information for CVE-2026-42958

Vulnerability Information
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Vulnerability Title
Use After Free in Labcenter Proteus
Source: NVD (National Vulnerability Database)
Vulnerability Description
The application contains a use-after-free vulnerability that can be exploited to cause memory corruption while parsing specially crafted files. This could allow an attacker to execute arbitrary code in the context of the current process.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Labcenter Proteus 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Labcenter Proteus是英国Labcenter公司的一款安全检测与漏洞扫描平台。 Labcenter Proteus 9.1_SP4_Build-42914版本存在资源管理错误漏洞，该漏洞源于释放后重用问题，可能在解析特制文件时导致内存损坏，从而允许攻击者在当前进程环境中执行任意代码。
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

VendorProductAffected VersionsCPESubscribe
LabcenterProteus 9.1_SP4_Build-42914 -

II. Public POCs for CVE-2026-42958

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III. Intelligence Information for CVE-2026-42958

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Vendor Advisories for CVE-2026-42958 (1)

Same Patch Batch · Labcenter · 2026-07-07 · 3 CVEs total

CVE-2026-490337.8 HIGHStack-Based Buffer Overflow in Labcenter Proteus
CVE-2026-42953Out-of-bounds write in Labcenter Proteus

IV. Related Vulnerabilities

Same product: Proteus
Same vendor: Labcenter
Same weakness: CWE-416

V. Comments for CVE-2026-42958

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