Is CVE-2024-27876 in the CISA KEV catalog?

No. CVE-2024-27876 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-27876?

CVE-2024-27876 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2024-27876?

CVE-2024-27876 has an EPSS score of 0.50% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27876?

Upgrade ipados to 17.7 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2024-27876

MEDIUM

5.5

CVSS v3

NVD

Description

A race condition was addressed with improved locking. This issue is fixed in iOS 17.7 and iPadOS 17.7, iOS 18 and iPadOS 18, macOS Sequoia 15, macOS Sonoma 14.7, macOS Ventura 13.7, visionOS 2. Unpacking a maliciously crafted archive may allow an attacker to write arbitrary files.

CWE-362Race Condition

How to fix

Remediation Available

ipadosNVD

Affected:< 17.7Fixed in:17.7CVE-2024-27876derived from NVD

iphone osNVD

Affected:< 17.7Fixed in:17.7CVE-2024-27876derived from NVD

macosNVD

Affected:>= 14.0, < 14.7Fixed in:14.7CVE-2024-27876derived from NVD

visionosNVD

Affected:< 2.0Fixed in:2.0CVE-2024-27876derived 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

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.50%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Vendor Advisory6

Other references6

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	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 2026-04-02.