CVE-2023-40438

MEDIUMNVD 5.55.5—

5.5

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.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 19.2%
KEV: Not listed

Published

January 10, 2024

Last Modified

November 4, 2025

References (6)

product-security@applehttps://support.apple.com/en-us/HT213927
product-security@applehttps://support.apple.com/en-us/HT213940
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213927
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213940
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213927
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213940

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-379Creation of Temporary File in Directory with Insecure Permissions

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 10:36 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-40438?

CVE-2023-40438 is a medium vulnerability published on January 10, 2024. 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.

When was CVE-2023-40438 disclosed?

CVE-2023-40438 was first published in the National Vulnerability Database on January 10, 2024, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-40438 actively exploited?

CVE-2023-40438 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

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

How do I remediate CVE-2023-40438?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40438, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-40438

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CVE-2023-40438

📅 Published

🔄 Last Modified

🔗 References (6)