What is CVE-2018-3626?

CVE-2018-3626 is a medium-severity vulnerability in Intel Sgx Sdk, classified under Information Disclosure. CVSS score: 4.7/10. Published 2018-03-20.

How severe is CVE-2018-3626?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Information disclosure in Intel Sgx Sdk

CVE-2018-3626

Edger8r tool in the Intel SGX SDK before version 2.1.2 (Linux) and 1.9.6 (Windows) may generate code that is susceptible to a side channel potentially allowing a local user to access unauthorized information.

Vulnerability class: Information Disclosure

Published 2018-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Intel Sgx Sdk
Intel Corporation Sgx Sdk — versions before version 2.1.2 (Linux) and 1.9.6 (Windows)
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securityfocus.com/bid/103479 (VDB Entry, Third Party Advisory, vdb-entry)
security-center.intel.com/advisory.aspx (Vendor Advisory)

Frequently asked questions

What is CVE-2018-3626?: CVE-2018-3626 is a medium-severity vulnerability in Intel Sgx Sdk, classified under Information Disclosure. CVSS score: 4.7/10. Published 2018-03-20.
How severe is CVE-2018-3626?: Medium severity. CVSS v3 base score is 4.7 out of 10.