Is CVE-2023-42838 in the CISA KEV catalog?

No. CVE-2023-42838 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-42838?

CVE-2023-42838 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2023-42838?

CVE-2023-42838 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-42838?

Upgrade macos to 13.6.3 or later.

CVE & CISA-KEV Catalog

CVE-2023-42838

HIGH

8.6

CVSS v3

NVD

Description

An access issue was addressed with improvements to the sandbox. This issue is fixed in macOS Ventura 13.6.3, macOS Sonoma 14.1, macOS Monterey 12.7.2. An app may be able to execute arbitrary code out of its sandbox or with certain elevated privileges.

CWE-284Improper Access Control

How to fix

Remediation Available

macosNVD

Affected:>= 13.0, < 13.6.3Fixed in:13.6.3CVE-2023-42838derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Vendor Advisory3

Other references3

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	Fix

Embed a live status badge for CVE-2023-42838

Markdown

[![CVE-2023-42838](https://tridentstack.com/cve/badge/CVE-2023-42838.svg)](https://tridentstack.com/cve/CVE-2023-42838)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-42838"><img src="https://tridentstack.com/cve/badge/CVE-2023-42838.svg" alt="CVE-2023-42838"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.