Read the docs
TI-2022-22972 Aliases CVE-2022-46487GHSA-p2fm-m9qc-j6x3

Improper initialization of x87 and SSE floating-point configuration registers in the…

Priority HIGH 67CWE-665Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00596 48th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:scontain:scone:*:*:*:*:*:*:*:*before 5.8.0VulnerableScontain
  • cpe:2.3:a:scontain:scone:*:*:*:*:*:*:*:* Versions before 5.8.0 Vulnerable ·Scontain

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-46487
  2. 2026-10-03 Alias added: GHSA-p2fm-m9qc-j6x3

References

Exploit 2

Advisory 2

Other 2

  • TI-2024-19734 Scontain SCONE 5.8.0 has an interface vulnerability that leads to state corruption via injected signals. CVSS 3.1CRITICAL 9.8
  • TI-2022-22971 A lack of pointer-validation logic in the __scone_dispatch component of SCONE before… CVSS 3.1MEDIUM 5.5
  • TI-2023-19448 An issue was discovered in SCONE Confidential Computing Platform before 5.8.0 for Intel… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences