Is CVE-2015-5563 in the CISA KEV catalog?

No. CVE-2015-5563 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-5563?

CVE-2015-5563 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2015-5563?

CVE-2015-5563 has an EPSS score of 43.74% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2015-5563

HIGHEPSS 99th pctl

10.0

CVSS v2

NVD

Description

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.232 on Windows and OS X and before 11.2.202.508 on Linux, Adobe AIR before 18.0.0.199, Adobe AIR SDK before 18.0.0.199, and Adobe AIR SDK & Compiler before 18.0.0.199 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-5127, CVE-2015-5130, CVE-2015-5134, CVE-2015-5539, CVE-2015-5540, CVE-2015-5550, CVE-2015-5551, CVE-2015-5556, CVE-2015-5557, CVE-2015-5559, CVE-2015-5561, CVE-2015-5564, and CVE-2015-5565.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

43.74%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

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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.