CVE-2026-8631

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.

CVSS v3.1 Score

9.8

CRITICAL

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

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-122 CWE-122

CWE-190 Integer Overflow

Affected Products

Vendor	Product	Versions
hp	linux_imaging_and_printing	< 3.26.4

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2026-8631? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-8631? +

CVE-2026-8631 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-8631? +

CVE-2026-8631 affects products from hp, specifically: linux_imaging_and_printing. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-8631? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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