CVE-2022-42842

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.

Published: 2022-12-15 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-42842 is rated High Risk (65.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.23%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-42842

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.84% 2.23% -1.61%
2 2026-05-30 5.31% 3.84% -1.47%
3 2026-05-24 — 5.31% —

Full EPSS history (37 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-42842

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-42842

Affected software / configurations for CVE-2022-42842

Vendor Product Version Raw CPE
apple ipados < 16.2 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 16.2 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos >= 11.0, < 11.7.2 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple macos >= 12.0.0, < 12.6.2 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple macos 13.0 cpe:2.3:o:apple:macos:13.0:*:*:*:*:*:*:*
apple tvos < 16.2 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple watchos < 9.2 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References for CVE-2022-42842

URL Tags
http://seclists.org/fulldisclosure/2022/Dec/20 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/23 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/24 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/25 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/26 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/27
https://support.apple.com/en-us/HT213530 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213532 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213533 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213534 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213535 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213536 Release Notes Vendor Advisory
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