CVE-2026-8631
Medium
Elevated severity or exploit probability.
CVSS base
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
1.8%
77.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-190
Published 2026-05-20 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-05-20 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
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.
Affected
References
- https://support.hp.com/us-en/document/ish_14942099-14942126-16/hpsbpi04118
- https://access.redhat.com/errata/RHSA-2026:26228
- https://access.redhat.com/errata/RHSA-2026:26297
- https://access.redhat.com/errata/RHSA-2026:26335
- https://access.redhat.com/errata/RHSA-2026:48171
- https://access.redhat.com/errata/RHSA-2026:48586
- https://access.redhat.com/errata/RHSA-2026:48603
- https://access.redhat.com/errata/RHSA-2026:48606
- https://access.redhat.com/errata/RHSA-2026:48959
- https://access.redhat.com/errata/RHSA-2026:48960
- https://access.redhat.com/errata/RHSA-2026:48961
- https://access.redhat.com/security/cve/CVE-2026-8631
- https://bugzilla.redhat.com/show_bug.cgi?id=2480300
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8631.json