Is CVE-2017-2478 in the CISA KEV catalog?

No. CVE-2017-2478 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-2478?

CVE-2017-2478 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2017-2478?

CVE-2017-2478 has an EPSS score of 4.75% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2017-2478?

No published fix for CVE-2017-2478 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2017-2478

HIGHEPSS 91th pctl

7.0

CVSS v3

NVD

Description

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "Kernel" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.

CWE-362Race Condition

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

4.75%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Vendor Advisory4

Third-Party Advisory1

securityfocus.com

Other references2

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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 2026-05-13.