Is CVE-2024-40864 in the CISA KEV catalog?

No. CVE-2024-40864 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-40864?

CVE-2024-40864 has a CVSS v3 base score of 2.7 (LOW).

What is the EPSS score for CVE-2024-40864?

CVE-2024-40864 has an EPSS score of 0.60% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-40864?

Upgrade macos to 14.7.5 or later.

CVE & CISA-KEV Catalog

CVE-2024-40864

LOW

2.7

CVSS v3

NVD

Description

The issue was addressed with improved handling of protocols. This issue is fixed in iOS 18.2 and iPadOS 18.2, macOS Sequoia 15.2, macOS Sonoma 14.7.5, macOS Ventura 13.7.5, tvOS 18.2, watchOS 11.2. An attacker in a privileged network position may be able to track a user's activity.

CWE-200Information Exposure

How to fix

Remediation Available

macosNVD

Affected:>= 14.0, < 14.7.5Fixed in:14.7.5CVE-2024-40864derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.60%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Vendor Advisory2

Other references6

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	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.