Security readout for executives and security teams
Plain-English summary
CVE-2026-14544 is a critical HPLIP flaw affecting listed Red Hat Enterprise Linux 8, 9, and 10 hplip packages. Crafted print data can trigger an integer overflow in the hpcups path, potentially leading to privilege escalation or arbitrary code execution.
Executive priority
Treat this as urgent for Linux print infrastructure. The issue is critical, remotely reachable under the CVSS model, and affects supported RHEL releases, but no active exploitation evidence is provided.
Technical view
The issue is an incomplete fix for CVE-2026-8631. Red Hat describes an integer overflow in HPLIP hpcups processing when handling specially crafted print data. The CVSS 3.1 vector is network, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on RHEL 8, 9, or 10 systems with the affected hplip package installed and processing print data. The supplied source marks RHEL 6 and 7 as unaffected.
Exploitation context
The supplied sources do not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates remote, unauthenticated exploitation is plausible, but exploit availability is not established in the provided bundle.
Researcher notes
Focus analysis on the incomplete CVE-2026-8631 fix and CWE-190 integer overflow in hpcups processing. Avoid assuming non-Red Hat impact from this bundle; only Red Hat products and package versions are listed here.
Mitigation direction
- Review Red Hat advisories RHSA-2026:39976, RHSA-2026:40831, and RHSA-2026:40894.
- Apply vendor-provided hplip updates for affected RHEL 8, 9, and 10 systems.
- Prioritize systems that accept remote or untrusted print data.
- If no update path is available, follow Red Hat guidance before applying compensating controls.
Validation and detection
- Inventory RHEL systems with hplip installed.
- Compare installed hplip package versions against Red Hat advisory guidance.
- Identify hosts using hpcups or accepting remote print jobs.
- Confirm RHEL 6 and 7 are not treated as affected for this CVE.
- Track remediation status by host, package version, and advisory.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-190: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-14544 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9redhatVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Made public.
- Source timelineredhat
Reported to Red Hat.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2026:39976CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2026:40831CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2026:40894CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2026-14544CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2496772CVE reference, redhat · issue-tracking, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.