Insufficient data validation in Extensions API in Google Chrome prior to 68.0.3440.75 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.
CVE-2018-16064
MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence
Score 6.5 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 6.5Exploit: None knownExposed services: —
A fix is available — apply it.
Internet exposure
The internet-exposure footprint is temporarily unavailable — the KEV-Exposure radar's record for this CVE could not be loaded just now. That is not a finding of zero exposed services; please retry shortly.
- CVSS v3
- 6.5
- EG Score
- 6.5MEDIUMmedium confidence
- EG Risk
- 34EG Risk 34/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation0% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.5%
- EPSS %ILE
- 40th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
June 27, 2019
Last Modified
November 21, 2024
References (4)
- chrome-cve-admin@googlehttps://chromereleases.googleblog.com/2018/07/stable-channel-update-for-desktop.html
- chrome-cve-admin@googlehttps://crbug.com/797461
- af854a3a-2127-422b-91ae-364da2661108https://chromereleases.googleblog.com/2018/07/stable-channel-update-for-desktop.html
- af854a3a-2127-422b-91ae-364da2661108https://crbug.com/797461
Vendor Advisories for CVE-2018-16064
Vendor advisories for this CVE are temporarily unavailable — the list could not be loaded just now. That is not a sign that none exist; please retry shortly.
Patch Availability(1)
| Vendor / Ecosystem | Fix (by version range) / Patch | Released | Source |
|---|---|---|---|
| redhat | https://access.redhat.com/errata/RHSA-2018:2282 @ 2018-07-30 00:00:00+00 (fixes chromium-browser-0:68.0.3440.75-1.el6_10) | — | 2026-05-27 18:01:05.351126+00 |
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.
Publicly available exploits
(1 reference)Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- redhathttps://access.redhat.com/errata/RHSA-2018:2282First seen May 27, 2026
2018-07-30 00:00:00+00
Open source ↗
Related CVEs
Related CVEs are temporarily unavailable — the same-product, same-vendor and same-CWE lists could not be loaded just now. That is not a sign that none exist; please retry shortly.
Frequently asked(5)
What is CVE-2018-16064?
CVE-2018-16064 is a medium vulnerability published on June 27, 2019. Insufficient data validation in Extensions API in Google Chrome prior to 68.0.3440.75 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.
When was CVE-2018-16064 disclosed?
CVE-2018-16064 was first published on June 27, 2019, 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-2018-16064 actively exploited?
CVE-2018-16064 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (40th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2018-16064?
CVE-2018-16064 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2018-16064?
A fix for CVE-2018-16064 is available: update to the fixed version the vendor names in its advisory.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2018-16064
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