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CVE-2026-8631— HP Linux Imaging and Printing Software – Potential Escalation of Privilege and Arbitrary Code Execution

Quick assessment

Affected
HP Inc HP Linux Imaging and Printing Software
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.

HP Linux Imaging and Printing Software是美国惠普（HP）公司的一个支持HP打印机和扫描仪的安装、使用和管理软件包。 HP Linux Imaging and Printing Software存在安全漏洞，该漏洞源于hpcups处理路径中处理特制打印数据时存在整数溢出，可能导致权限提升和任意代码执行。

CVSS 9.3 · Critical EPSS 1.81% · P77

Affected Version Matrix 1

VendorProduct Version RangeStatus
HP Inc HP Linux Imaging and Printing Software < 3.26.4 affected
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I. Basic Information for CVE-2026-8631

Vulnerability Information
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Vulnerability Title
HP Linux Imaging and Printing Software – Potential Escalation of Privilege and Arbitrary Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software. This potential vulnerability may allow escalation of privileges and/or arbitrary code execution via an integer overflow in the hpcups processing path when handling crafted print data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
HP Linux Imaging and Printing Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HP Linux Imaging and Printing Software是美国惠普（HP）公司的一个支持HP打印机和扫描仪的安装、使用和管理软件包。 HP Linux Imaging and Printing Software存在安全漏洞，该漏洞源于hpcups处理路径中处理特制打印数据时存在整数溢出，可能导致权限提升和任意代码执行。
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
HP Inc HP Linux Imaging and Printing Software 0 ~ 3.26.4 -

II. Public POCs for CVE-2026-8631

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III. Intelligence Information for CVE-2026-8631

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Vendor Advisories for CVE-2026-8631 (1)

IV. Related Vulnerabilities

Same product: HP Linux Imaging and Printing Software
Same vendor: HP Inc
Same weakness: CWE-122

V. Comments for CVE-2026-8631

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