Is CVE-2025-43518 in the CISA KEV catalog?

No. CVE-2025-43518 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-43518?

CVE-2025-43518 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2025-43518?

CVE-2025-43518 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-43518?

Upgrade macos to 15.7.3 or later.

CVE & CISA-KEV Catalog

CVE-2025-43518

LOW

3.3

CVSS v3

NVD

Description

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, watchOS 26.2. An app may be able to inappropriately access files through the spellcheck API.

CWE-284Improper Access Control

How to fix

Remediation Available

macosNVD

Affected:>= 15.0, < 15.7.3Fixed in:15.7.3CVE-2025-43518derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Vendor Advisory2

Other references3

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	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.