Is CVE-2023-40438 in the CISA KEV catalog?

No. CVE-2023-40438 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-40438?

CVE-2023-40438 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2023-40438?

CVE-2023-40438 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-40438?

Upgrade ipados to 16.7 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-40438

MEDIUM

5.5

CVSS v3

NVD

Description

An issue was addressed with improved handling of temporary files. This issue is fixed in macOS Sonoma 14, iOS 16.7 and iPadOS 16.7. An app may be able to access edited photos saved to a temporary directory.

CWE-379

How to fix

Remediation Available

ipadosNVD

Affected:< 16.7Fixed in:16.7CVE-2023-40438derived from NVD

iphone osNVD

Affected:< 16.7Fixed in:16.7CVE-2023-40438derived from NVD

macosNVD

Affected:< 14.0Fixed in:14.0CVE-2023-40438derived 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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Vendor Advisory2

Other references2

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Markdown

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HTML

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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.