CVE-2023-40412

HIGHNVD 7.87.8—

7.8

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, macOS Monterey 12.7, watchOS 10, iOS 17 and iPadOS 17. An app may be able to execute arbitrary code with kernel privileges.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 26.5%
KEV: Not listed

Published

September 27, 2023

Last Modified

November 4, 2025

References (25)

product-security@applehttp://seclists.org/fulldisclosure/2023/Oct/10
product-security@applehttp://seclists.org/fulldisclosure/2023/Oct/5
product-security@applehttp://seclists.org/fulldisclosure/2023/Oct/6
product-security@applehttp://seclists.org/fulldisclosure/2023/Oct/8
product-security@applehttp://seclists.org/fulldisclosure/2023/Oct/9
product-security@applehttps://support.apple.com/en-us/HT213931
product-security@applehttps://support.apple.com/en-us/HT213932
product-security@applehttps://support.apple.com/en-us/HT213936
product-security@applehttps://support.apple.com/en-us/HT213937
product-security@applehttps://support.apple.com/en-us/HT213938
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/10
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/5
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/6
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/8
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/9

Data Freshness Timeline

(refreshed 13× in last 7d / 59× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-10 13:21 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
2026-05-24 17:06 UTCEG score recompute
2026-05-24 17:06 UTCGHSA enrichment
2026-05-23 14:11 UTCOSV refresh

Frequently asked(5)

What is CVE-2023-40412?

CVE-2023-40412 is a high vulnerability published on September 27, 2023. The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, macOS Monterey 12.7, watchOS 10, iOS 17 and iPadOS 17. An app may be able to execute arbitrary code with kernel privileges.

When was CVE-2023-40412 disclosed?

CVE-2023-40412 was first published in the National Vulnerability Database on September 27, 2023, 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-2023-40412 actively exploited?

CVE-2023-40412 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-40412?

CVE-2023-40412 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-40412?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40412, 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.

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CVE-2023-40412

📅 Published

🔄 Last Modified

🔗 References (25)