CVE-2018-3693

MEDIUMNVD 5.65.6—Trending — 5 sources updated this week

5.6

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.

CVSS v3: 5.6
EG Score: 5.6(medium)
EPSS: 80.1%
KEV: Not listed

Published

July 10, 2018

Last Modified

November 21, 2024

References (22)

secure@intelhttps://access.redhat.com/errata/RHSA-2018:2384
secure@intelhttps://access.redhat.com/errata/RHSA-2018:2390
secure@intelhttps://access.redhat.com/errata/RHSA-2018:2395
secure@intelhttps://access.redhat.com/errata/RHSA-2019:1946
secure@intelhttps://access.redhat.com/errata/RHSA-2020:0174
secure@intelhttps://cdrdv2.intel.com/v1/dl/getContent/685359
secure@intelhttps://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
secure@intelhttps://security.netapp.com/advisory/ntap-20180823-0001/
secure@intelhttps://www.oracle.com/security-alerts/cpujul2020.html
secure@intelhttps://www.oracle.com/security-alerts/cpuoct2020.html
secure@intelhttps://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2384
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2390
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2395
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1946

Vendor Advisories for CVE-2018-3693(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(5)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	kernel-alt-0:4.14.0-115.17.1.el7a	2020-01-21	redhat
redhat	kernel-0:3.10.0-693.55.1.el7	2019-07-30	redhat
redhat	kernel-0:2.6.32-754.3.5.el6	2018-08-14	redhat
redhat	kernel-rt-0:3.10.0-862.11.6.rt56.819.el7	2018-08-14	redhat
redhat	kernel-0:3.10.0-862.11.6.el7	2018-08-14	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 18× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 05:24 UTCEG score recompute
2026-05-28 05:24 UTCVendor advisory
2026-05-28 05:24 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 16:01 UTCOSV refresh
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-3693?

CVE-2018-3693 is a medium vulnerability published on July 10, 2018. 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.

When was CVE-2018-3693 disclosed?

CVE-2018-3693 was first published in the National Vulnerability Database on July 10, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-3693 actively exploited?

CVE-2018-3693 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-3693?

CVE-2018-3693 has a CVSS v3 base score of 5.6 (NVD).

How do I remediate CVE-2018-3693?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-3693, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-3693

📅 Published

🔄 Last Modified

🔗 References (22)

📣 Vendor Advisories for CVE-2018-3693(3)