HOMEVULNERABILITIESCVE-2022-42842
CRITICAL

CVE-2022-42842

NVD-CWE-noinfoPublished: December 15, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

The issue was addressed with improved memory handling. This issue is fixed in tvOS 16.2, macOS Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. A remote user may be able to cause kernel code execution.

NVD Source

Risk Analysis

Multiple Apple operating systems contain a memory handling vulnerability that allows a remote user to trigger kernel code execution. This critical flaw carries a 9.8 CVSS score and poses a severe risk to device security.

There is no public exploit known, and the vulnerability is not in the KEV catalog. It is remotely exploitable with low complexity.

Recommended Action

Update to the latest versions of iOS, iPadOS, macOS, tvOS, or watchOS as specified in Apple's security advisories.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-42842 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Apple5 product(s)
ipadosiphone osmacostvoswatchos
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (24)

http://seclists.org/fulldisclosure/2022/Dec/20Mailing List · Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/23Mailing List · Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/24Mailing List · Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/25Mailing List · Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/26Mailing List · Third Party Advisory
https://support.apple.com/en-us/HT213530Release Notes · Vendor Advisory
https://support.apple.com/en-us/HT213532Release Notes · Vendor Advisory
https://support.apple.com/en-us/HT213533Release Notes · Vendor Advisory
https://support.apple.com/en-us/HT213534Release Notes · Vendor Advisory
https://support.apple.com/en-us/HT213535Release Notes · Vendor Advisory
https://support.apple.com/en-us/HT213536Release Notes · Vendor Advisory
http://seclists.org/fulldisclosure/2022/Dec/20Mailing List · Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/23Mailing List · Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/24Mailing List · Third Party Advisory

Quick Facts

CVE IDCVE-2022-42842
CVSS Score9.8 / 10
SeverityCRITICAL
CISA KEVNo
Affected1 vendor(s)
PublishedDec 15, 2022

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-42842 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.