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CVE-2019-5865

20
FAUCET Score

CVE-2019-5865 describes an insufficient policy enforcement vulnerability in Google Chrome prior to version 76.0.3809.87. This flaw allowed a remote attacker, by compromising the renderer process, to bypass site isolation through a specially crafted HTML page. Rated Medium severity (CVSS 6.5), it requires user interaction (UI:R) and could lead to high integrity impact (I:H) without affecting confidentiality or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, with only one article covering its patch.

Impacted Technologies

VendorProductVersion(s)CPE
< 76.0.3809.87CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.74%
Probability of exploitation in next 30 days
EPSS Percentile
50.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0074 is in the 57th 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-0:76.0.3809.87-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2019-5865Moderate

chromium-browser: Site isolation bypass from compromised renderer

Jul 30, 2019

References

chromereleases.googleblog.com / 2019/07/stable-channel-update-for-desktop_30.html
crbug.com / 973103