{"id":"CVE-2018-9056","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-9056","generatedAt":"2026-10-29T00:34:26.981Z","title":"Systems with microprocessors utilizing speculative execution may allow unauthorized disclosure of information to an attacker with local user access via a side-channel attack on the directional branch predictor, as demonstrated by a pattern history table…","description":"Systems with microprocessors utilizing speculative execution may allow unauthorized disclosure of information to an attacker with local user access via a side-channel attack on the directional branch predictor, as demonstrated by a pattern history table (PHT), aka BranchScope.","published":"2018-03-27T17:29:01.000Z","lastModified":"2026-06-17T02:06:00.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":5.6,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"},"cwe":["CWE-200"],"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":0.00672,"percentile":0.51886,"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 (0.67%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.cs.ucr.edu/~nael/pubs/asplos18.pdf","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://arstechnica.com/gadgets/2018/03/its-not-just-spectre-researchers-reveal-more-branch-prediction-attacks/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.cs.ucr.edu/~nael/pubs/asplos18.pdf","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://arstechnica.com/gadgets/2018/03/its-not-just-spectre-researchers-reveal-more-branch-prediction-attacks/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-9056","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."}