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.

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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

Related Vulnerabilities

Other CWE-19 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-5477	High	7.8	91%	-	Fix
CVE-2014-9034	Medium	5.0	83%	-	Fix
CVE-2016-4977	High	8.8	79%	-	-
CVE-2016-3236	Critical	9.8	78%	-	-
CVE-2014-7141	Medium	6.4	76%	-	Fix
CVE-2015-5374	High	7.8	74%	-	-

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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.