CVE-2018-9056
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…
Does this matter?
Lower severity and a low EPSS score (0.67%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.6 MEDIUMCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- EPSS
- 0.67% probability · 52th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- 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 · +40 more
- Source
- cve@mitre.org
EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.cs.ucr.edu/~nael/pubs/asplos18.pdfExploit, Third Party Advisory
- https://arstechnica.com/gadgets/2018/03/its-not-just-spectre-researchers-reveal-more-branch-prediction-attacks/Third Party Advisory
- http://www.cs.ucr.edu/~nael/pubs/asplos18.pdfExploit, Third Party Advisory
- https://arstechnica.com/gadgets/2018/03/its-not-just-spectre-researchers-reveal-more-branch-prediction-attacks/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.