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Case File

CVE-2018-3639

MEDIUM · CVSS 5.5 EPSS 60.63% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-05-22 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-3639
Severity
MEDIUM
CVSS
5.5
EPSS
60.63%

Original Filing — NVD Description

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.