Is CVE-2024-27861 in the CISA KEV catalog?

No. CVE-2024-27861 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-27861?

CVE-2024-27861 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2024-27861?

CVE-2024-27861 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27861?

Upgrade macos to 15.0 or later.

CVE & CISA-KEV Catalog

CVE-2024-27861

MEDIUM

5.5

CVSS v3

NVD

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15. An application may be able to read restricted memory.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

macosNVD

Affected:< 15.0Fixed in:15.0CVE-2024-27861derived 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

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Other references1

seclists.org

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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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.