Is CVE-2023-42928 in the CISA KEV catalog?

No. CVE-2023-42928 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-42928?

CVE-2023-42928 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-42928?

CVE-2023-42928 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-42928?

Upgrade ipad os to 17.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-42928

HIGH

7.8

CVSS v3

NVD

Description

The issue was addressed with improved bounds checks. This issue is fixed in iOS 17.1 and iPadOS 17.1. An app may be able to gain elevated privileges.

CWE-276

How to fix

Remediation Available

ipad osNVD

Affected:< 17.1Fixed in:17.1CVE-2023-42928derived from NVD

iphone osNVD

Affected:< 17.1Fixed in:17.1CVE-2023-42928derived 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

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Other references1

support.apple.com

Related Vulnerabilities

Other CWE-276 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-0632	Critical	9.8	94%	KEV	-
CVE-2017-11610	High	8.8	88%	-	Fix
CVE-2023-29919	Critical	9.1	60%	-	-
CVE-2019-17124	Critical	9.8	23%	-	-
CVE-2020-12608	High	7.8	22%	-	Fix
CVE-2021-3437	Critical	9.8	16%	-	Fix

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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.