Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-42856

67
FAUCET Score

CVE-2022-42856 is a type confusion vulnerability affecting Apple's Safari, tvOS, macOS, iOS, and iPadOS. This flaw, rated 8.8 HIGH, allows arbitrary code execution when processing maliciously crafted web content, requiring user interaction to trigger. Apple has confirmed active exploitation of this zero-day vulnerability, particularly against iOS versions prior to 15.1, though no public exploit code is currently available. The issue has garnered significant community attention and media coverage, indicating its critical nature.

Impacted Technologies

VendorProductVersion(s)CPE
< 16.2CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 15.7.2CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
< 15.7.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
>= 16.0, < 16.1.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 13.1CPE matchmatch criteria
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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
8.52%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Dec 14, 2022
This CVE's current EPSS score of 0.0852 is in the 94th percentile among its peer group of 14,875 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

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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: webkitgtk4-0:2.48.3-2.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.36.7-1.el8_7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: webkit2gtk3-0:2.36.7-1.el9_1.1
View patch
applevendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: webkitgtk
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk3

Vendor Advisories (1)

redhatCVE-2022-42856Important

webkitgtk: processing maliciously crafted web content may lead to an arbitrary code execution

Dec 14, 2022

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
seclists.org / fulldisclosure/2022/Dec/21
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/Dec/22
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/Dec/23
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/Dec/26
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/Dec/28
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202305-32
Third Party Advisory
support.apple.com / en-us/HT213516
Release NotesVendor Advisory
support.apple.com / en-us/HT213531
Release NotesVendor Advisory
support.apple.com / en-us/HT213532
Release NotesVendor Advisory
support.apple.com / en-us/HT213535
Release NotesVendor Advisory
support.apple.com / en-us/HT213537
Release NotesVendor Advisory
openwall.com / lists/oss-security/2022/12/26/1
Mailing ListThird Party Advisory