{"id":"CVE-2018-3693","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-3693","generatedAt":"2026-10-29T01:52:09.522Z","title":"Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis.","description":"Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis.","published":"2018-07-10T21:29:01.000Z","lastModified":"2026-06-17T01:57:41.000Z","status":"Modified","sourceIdentifier":"secure@intel.com","cvss":{"version":"3.1","score":5.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"},"cwe":[],"affected":["intel/atom c","intel/atom e","intel/atom x3","intel/atom z","intel/celeron j","intel/celeron n","intel/core i3","intel/core i5","intel/core i7","intel/core m","intel/core m3","intel/core m5","intel/core m7","intel/pentium j","intel/pentium n","intel/xeon","intel/xeon bronze 3104","intel/xeon bronze 3106","intel/xeon e-1105c","intel/xeon e3","intel/xeon e3 1105c v2","intel/xeon e3 1125c","intel/xeon e3 1125c v2","intel/xeon e3 1220","intel/xeon e3 1220 v2","intel/xeon e3 1220 v3","intel/xeon e3 1220 v5","intel/xeon e3 1220 v6","intel/xeon e3 12201","intel/xeon e3 12201 v2","intel/xeon e3 1220l v3","intel/xeon e3 1225","intel/xeon e3 1225 v2","intel/xeon e3 1225 v3","intel/xeon e3 1225 v5","intel/xeon e3 1225 v6","intel/xeon e3 1226 v3","intel/xeon e3 1230","intel/xeon e3 1230 v2","intel/xeon e3 1230 v3","intel/xeon e3 1230 v5","intel/xeon e3 1230 v6","intel/xeon e3 1230l v3","intel/xeon e3 1231 v3","intel/xeon e3 1235","intel/xeon e3 1235l v5","intel/xeon e3 1240","intel/xeon e3 1240 v2","intel/xeon e3 1240 v3","intel/xeon e3 1240 v5","intel/xeon e3 1240 v6","intel/xeon e3 1240l v3","intel/xeon e3 1240l v5","intel/xeon e3 1241 v3","intel/xeon e3 1245","intel/xeon e3 1245 v2","intel/xeon e3 1245 v3","intel/xeon e3 1245 v5","intel/xeon e3 1245 v6","intel/xeon e3 1246 v3"],"epss":{"score":0.08625,"percentile":0.95073,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (8.63%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2018:2384","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://access.redhat.com/errata/RHSA-2018:2390","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://access.redhat.com/errata/RHSA-2018:2395","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://access.redhat.com/errata/RHSA-2019:1946","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://access.redhat.com/errata/RHSA-2020:0174","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://cdrdv2.intel.com/v1/dl/getContent/685359","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://security.netapp.com/advisory/ntap-20180823-0001/","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","tags":["Patch","Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["Patch","Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","tags":["Patch","Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://access.redhat.com/errata/RHSA-2018:2384","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:2390","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:2395","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:1946","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2020:0174","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cdrdv2.intel.com/v1/dl/getContent/685359","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20180823-0001/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-3693","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}