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CVE-2026-91100

HP Linux Imaging And Printing remote code execution

9.8 CRITICALEPSS 0.72%
  1. Published16 Sept 2026

Description

HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions.

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< 3.26.6

Remediation

Fixed in
HP Linux Imaging And Printing≥ 3.26.6

References

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Frequently asked

Is CVE-2026-91100 being actively exploited?

CVE-2026-91100 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.72%.

How severe is CVE-2026-91100?

CVE-2026-91100 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.72% probability of exploitation.

Which products are affected by CVE-2026-91100?

Affected products include HP Linux Imaging And Printing.

How do I fix CVE-2026-91100?

Upgrade affected software to a fixed version, for example HP Linux Imaging And Printing 3.26.6 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-91100 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.