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CVE-2026-8631

HP Linux Imaging And Printing buffer overflow

9.8 CRITICALEPSS 1.14%
  1. Published20 May 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

HP Linux Imaging And Printing< 3.26.4

Remediation

Fixed in
HP Linux Imaging And Printing≥ 3.26.4

References

and 4 more references

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Frequently asked

Is CVE-2026-8631 being actively exploited?

CVE-2026-8631 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.14%.

How severe is CVE-2026-8631?

CVE-2026-8631 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.14% probability of exploitation.

Which products are affected by CVE-2026-8631?

Affected products include HP Linux Imaging And Printing.

How do I fix CVE-2026-8631?

Upgrade affected software to a fixed version, for example HP Linux Imaging And Printing 3.26.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-8631 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.