CVE-2026-8631

CRITICAL

HP Linux Imaging and Printing Software – Potential Escalation of Privilege and Arbitrary Code Execution

Title source: cna

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.

References (1)

Core 1

Core References

https://support.hp.com/us-en/document/ish_14942099-14942126-16/hpsbpi04118

Scores

CVSS v3 9.8

EPSS 0.0002

EPSS Percentile 4.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-122 CWE-190

Status published

Products (2)

hp/linux_imaging_and_printing < 3.26.4

HP Inc/HP Linux Imaging and Printing Software < 3.26.4

Published May 20, 2026

Tracked Since May 21, 2026