Memory corruption in Intel Xeon Processor firmware with SGX enabled
Priority LOW 32CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Improper buffer restrictions for some Intel(R) Xeon(R) Processor firmware with SGX enabled may allow a privileged user to potentially enable escalation of privilege via local access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00161 5th 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 |
|---|---|---|---|---|---|
| — | Intel(R) Xeon(R) Processor firmware with SGX enabled | See references | — | No fix listed | CNA |
- Intel(R) Xeon(R) Processor firmware with SGX enabled Vendor— Affected See references Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-20053
- 2026-10-03 Alias added: GHSA-4h3q-h7pr-48v4
Sources
- CVE-2025-20053 · CVE Program
- CVE-2025-20053 · NVD
- FIRST EPSS
- GHSA-4h3q-h7pr-48v4 · GitHub Advisory Database · CC BY 4.0
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