Is CVE-2014-8817 in the CISA KEV catalog?

No. CVE-2014-8817 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-8817?

CVE-2014-8817 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2014-8817?

CVE-2014-8817 has an EPSS score of 2.89% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2014-8817?

No published fix for CVE-2014-8817 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2014-8817

HIGHEPSS 85th pctl

10.0

CVSS v2

NVD

Description

coresymbolicationd in CoreSymbolication in Apple OS X before 10.10.2 does not verify that expected data types are present in XPC messages, which allows attackers to execute arbitrary code in a privileged context via a crafted app, as demonstrated by lack of verification of xpc_dictionary_get_value API return values during handling of a (1) match_mmap_archives, (2) delete_mmap_archives, (3) write_mmap_archive, or (4) read_mmap_archive command.

CWE-19

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 v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.89%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Exploit1

code.google.com

Vendor Advisory2

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 2026-05-06.