Is CVE-2015-5922 in the CISA KEV catalog?

No. CVE-2015-5922 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-5922?

CVE-2015-5922 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2015-5922?

CVE-2015-5922 has an EPSS score of 2.96% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-5922?

Upgrade international components for unicode to 53.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2015-5922

HIGHEPSS 86th pctl

10.0

CVSS v2

NVD

Description

Unspecified vulnerability in International Components for Unicode (ICU) before 53.1.0, as used in Apple OS X before 10.11 and watchOS before 2, has unknown impact and attack vectors.

How to fix

Remediation Available

international components for unicodeNVD

Affected:< 53.1Fixed in:53.1CVE-2015-5922derived from NVD

mac os xNVD

Affected:< 10.11Fixed in:10.11CVE-2015-5922derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.96%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory4

Third-Party Advisory2

Other references1

oracle.com

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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.