Is CVE-2024-54509 in the CISA KEV catalog?

No. CVE-2024-54509 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-54509?

CVE-2024-54509 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2024-54509?

CVE-2024-54509 has an EPSS score of 0.25% (16th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2024-54509

HIGH

7.8

CVSS v3

NVD

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.2, macOS Sonoma 14.7.2, macOS Sonoma 14.7.3. An app may be able to cause unexpected system termination or write kernel memory.

CWE-787Out-of-bounds Write

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

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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 2026-04-02.