A potential security vulnerability has been identified in the System BIOS for some HP PC…
Priority LOW 33CWE-1256Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A potential security vulnerability has been identified in the System BIOS for some HP PC products which may allow escalation of privilege, arbitrary code execution, denial of service, or information disclosure via a physical attack that requires specialized equipment and knowledge. HP is releasing firmware mitigation for the potential vulnerability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00187 8th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hewlett Packard Enterprise | Certain HP PC Products | See HP Security Bulletin reference for affected versions. | — | No fix listed | CNA |
- Certain HP PC Products VendorHewlett Packard Enterprise Affected See HP Security Bulletin reference for affected versions. Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-5477
- 2026-10-03 Alias added: GHSA-mmhv-hfp7-cg3c
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Sources
- CVE-2024-5477 · CVE Program
- CVE-2024-5477 · NVD
- FIRST EPSS
- GHSA-mmhv-hfp7-cg3c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences