How severe is CVE-2024-40848?

CVE-2024-40848 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-40848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-40848?

CVE-2024-40848 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-40848?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-40848 have an EU (EUVD) identifier?

Yes. CVE-2024-40848 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38685.

When was CVE-2024-40848 published?

CVE-2024-40848 was published on 2024-09-17 and last updated on 2026-06-17.

CVE-2024-40848

CVE-2024-40848 is a high-severity vulnerability in Apple Macos with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38685
Affected product: Apple Macos
Published: 2024-09-17
Last modified: 2026-06-17

Description

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15, macOS Sonoma 14.7, macOS Ventura 13.7. An attacker may be able to read sensitive information.

Frequently asked questions

What is CVE-2024-40848?: A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15, macOS Sonoma 14.7, macOS Ventura 13.7. An attacker may be able to read sensitive information.
How severe is CVE-2024-40848?: CVE-2024-40848 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-40848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-40848?: CVE-2024-40848 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-40848?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-40848 have an EU (EUVD) identifier?: Yes. CVE-2024-40848 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38685.
When was CVE-2024-40848 published?: CVE-2024-40848 was published on 2024-09-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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