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CVE-2018-18346

22
FAUCET Score

CVE-2018-18346 describes an incorrect handling of alert box display in Google Chrome prior to version 71.0.3578.80, allowing a remote attacker to present confusing browser UI via a crafted HTML page. This medium-severity vulnerability (CVSS 6.5) requires user interaction (UI:R) and network access (AV:N) to achieve a high impact on integrity (I:H), potentially leading to phishing or social engineering attacks. There is no evidence of active exploitation, public exploit code, or significant community discussion, with its EPSS score indicating a low likelihood of exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 71.0.3578.80CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:linux_desktop:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:linux_server:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:linux_workstation:6.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.33%
Probability of exploitation in next 30 days
EPSS Percentile
68.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0133 is in the 81st percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:71.0.3578.80-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2018-18346Moderate

chromium-browser: Incorrect security UI in Blink

Dec 4, 2018

References

access.redhat.com / errata/RHSA-2018:3803
chromereleases.googleblog.com / 2018/12/stable-channel-update-for-desktop.html
crbug.com / 606104
security.gentoo.org / glsa/201908-18
debian.org / security/2018/dsa-4352
securityfocus.com / bid/106084