How severe is CVE-2014-4466?

CVE-2014-4466 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2014-4466 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4466?

CVE-2014-4466 primarily affects Apple Iphone Os. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-4466?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-4466 published?

CVE-2014-4466 was published on 2014-12-10 and last updated on 2026-06-17.

CVE-2014-4466

CVE-2014-4466 is a high-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Apple Iphone Os
Published: 2014-12-10
Last modified: 2026-06-17

Description

WebKit, as used in Apple Safari before 6.2.1, 7.x before 7.1.1, and 8.x before 8.0.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2014-12-2-1.

Frequently asked questions

What is CVE-2014-4466?: WebKit, as used in Apple Safari before 6.2.1, 7.x before 7.1.1, and 8.x before 8.0.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2014-12-2-1.
How severe is CVE-2014-4466?: CVE-2014-4466 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2014-4466 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4466?: CVE-2014-4466 primarily affects Apple Iphone Os. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-4466?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-4466 published?: CVE-2014-4466 was published on 2014-12-10 and last updated on 2026-06-17.

References

Affected products (13)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

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