CVE-2019-8666

26

FAUCET Score

CVE-2019-8666 is a memory corruption vulnerability affecting multiple Apple products, including iOS, macOS, tvOS, Safari, iTunes for Windows, and iCloud for Windows. Processing maliciously crafted web content can lead to arbitrary code execution. This vulnerability has a CVSS score of 8.8 (High), indicating a critical risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 7.13CPE matchmatch criteria	cpe:2.3:a:apple:icloud::::::windows::*
		>= 10.0, < 10.6CPE matchmatch criteria	cpe:2.3:a:apple:icloud::::::windows::*
		< 12.9.6CPE matchmatch criteria	cpe:2.3:a:apple:itunes::::::windows::*
		< 12.1.2CPE matchmatch criteria	cpe:2.3:a:apple:safari::::::::
		< 12.4CPE matchmatch criteria	cpe:2.3:o:apple:iphone_os::::::::

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.80%

Probability of exploitation in next 30 days

EPSS Percentile

76.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0180 is in the 75th percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (32)

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.24.3-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk4-0:2.28.2-2.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mutter-0:3.32.2-10.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: nautilus-0:3.28.1-10.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: pango-0:1.42.4-6.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: pidgin-0:2.13.0-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: plymouth-0:0.9.3-15.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: accountsservice-0:0.6.50-7.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: appstream-data-0:8-20190805.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: baobab-0:3.28.0-2.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: chrome-gnome-shell-0:10.1-6.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: evince-0:3.28.4-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: file-roller-0:3.28.1-2.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gdk-pixbuf2-0:2.36.12-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gdm-1:3.28.3-22.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gjs-0:1.56.2-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-control-center-0:3.28.2-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-desktop3-0:3.32.2-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-remote-desktop-0:0.1.6-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-settings-daemon-0:3.32.0-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-shell-0:3.32.2-9.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-shell-extensions-0:3.32.1-10.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-software-0:3.30.6-2.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-tweaks-0:3.28.1-6.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gsettings-desktop-schemas-0:3.32.0-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gtk3-0:3.22.30-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gvfs-0:1.36.2-6.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mozjs60-0:60.9.0-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: SDL-0:1.2.15-35.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: wayland-protocols-0:1.17-1.el8

applevendor investigatingvia nvd_reference

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk3

Vendor Advisories (1)

redhatCVE-2019-8666Moderate

webkitgtk: Multiple memory corruption issues leading to arbitrary code execution

References

support.apple.com / HT210346

Vendor Advisory

support.apple.com / HT210348

Vendor Advisory

support.apple.com / HT210351

Vendor Advisory

support.apple.com / HT210355

Vendor Advisory

support.apple.com / HT210356

Vendor Advisory

support.apple.com / HT210357

Vendor Advisory

support.apple.com / HT210358

Vendor Advisory