Is CVE-2014-0502 being actively exploited?

Yes. CVE-2014-0502 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on September 17, 2024.

What is the CVSS score for CVE-2014-0502?

CVE-2014-0502 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2014-0502

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 24.8%EU EUVD: exploited

Double free vulnerability in Adobe Flash Player before 11.7.700.269 and 11.8.x through 12.0.x before 12.0.0.70 on Windows and Mac OS X and before 11.2.202.341 on Linux, Adobe AIR before 4.0.0.1628 on Android, Adobe AIR SDK before 4.0.0.1628, and Adobe AIR SDK & Compiler before 4.0.0.1628 allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in February 2014.

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-415
EPSS score: 24.8% (98th percentile)
In CISA KEV: Yes, added September 17, 2024
In EU EUVD: Yes (EUVD-2014-0533)
Published: February 21, 2014
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Adobe Flash Player Double Free Vulnerablity

Added to the KEV catalog on September 17, 2024; federal remediation due October 8, 2024.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-0533 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.

View on the EU Vulnerability Database

Affected products

adobe / adobe air
adobe / adobe air sdk
adobe / flash player
apple / mac os x
google / android
linux / linux kernel
microsoft / windows
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux workstation
redhat / enterprise linux workstation
suse / linux enterprise desktop

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://helpx.adobe.com/security/products/flash-player/apsb14-07.html(Broken Link, Patch, Vendor Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00014.html(Mailing List)
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00015.html(Mailing List)
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00017.html(Mailing List)
http://rhn.redhat.com/errata/RHSA-2014-0196.html(Third Party Advisory)
http://security.gentoo.org/glsa/glsa-201405-04.xml(Third Party Advisory)
http://www.alienvault.com/open-threat-exchange/blog/analysis-of-an-attack-exploiting-the-adobe-zero-day-cve-2014-0502/(Exploit, Third Party Advisory)
https://volatility-labs.blogspot.com/2014/04/building-decoder-for-cve-2014-0502.html(Exploit, Third Party Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0502(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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