System	Score	Found at
epss	0.38164	https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss	0.38164	https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss	0.38164	https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss	0.39794	https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss	0.39794	https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss	0.39794	https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss	0.39794	https://api.first.org/data/v1/epss?cve=CVE-2018-4222
epss	0.39794	https://api.first.org/data/v1/epss?cve=CVE-2018-4222
cvssv3	7.5	https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2	6.8	https://nvd.nist.gov/vuln/detail/CVE-2018-4222
cvssv3	8.8	https://nvd.nist.gov/vuln/detail/CVE-2018-4222

Reference id	Reference type	URL
		https://api.first.org/data/v1/epss?cve=CVE-2018-4222
		https://bugs.chromium.org/p/project-zero/issues/detail?id=1545
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4222
		https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
		https://support.apple.com/HT208848
		https://support.apple.com/HT208850
		https://support.apple.com/HT208851
		https://support.apple.com/HT208852
		https://support.apple.com/HT208853
		https://support.apple.com/HT208854
		https://www.exploit-db.com/exploits/44859/
		http://www.securitytracker.com/id/1041029
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
CVE-2018-4222	Exploit	https://bugs.chromium.org/p/project-zero/issues/detail?id=1545&desc=2
CVE-2018-4222	Exploit	https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/44859.html
CVE-2018-4222		https://nvd.nist.gov/vuln/detail/CVE-2018-4222
GLSA-201808-04		https://security.gentoo.org/glsa/201808-04
USN-3687-1		https://usn.ubuntu.com/3687-1/

Data source	Exploit-DB
Date added	June 8, 2018
Description	WebKit - WebAssembly Compilation Info Leak
Ransomware campaign use	Known
Source publication date	June 8, 2018
Exploit type	dos
Platform	multiple
Source update date	June 8, 2018
Source URL	https://bugs.chromium.org/p/project-zero/issues/detail?id=1545&desc=2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4222

Exploitability (E)	Access Vector (AV)	Access Complexity (AC)	Authentication (Au)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
high functional unproven proof_of_concept not_defined	local adjacent_network network	high medium low	multiple single none	none partial complete	none partial complete	none partial complete

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4222

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Percentile	0.97193
EPSS Score	0.38164
Published At	April 1, 2026, 12:55 p.m.

Date	Actor	Action	Source	VulnerableCode Version
2026-04-01T13:12:31.803858+00:00	Gentoo Importer	Import	https://security.gentoo.org/glsa/201808-04	38.0.0