How severe is CVE-2014-8443?

CVE-2014-8443 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2014-8443 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8443?

CVE-2014-8443 affects Adobe Flash Player. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-8443?

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

When was CVE-2014-8443 published?

CVE-2014-8443 was published on 2014-12-10 and last updated on 2026-06-17.

CVE-2014-8443

CVE-2014-8443 is a critical-severity vulnerability in Adobe Flash Player with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Adobe Flash Player
Published: 2014-12-10
Last modified: 2026-06-17

Description

Use-after-free vulnerability in Adobe Flash Player before 13.0.0.259 and 14.x through 16.x before 16.0.0.235 on Windows and OS X and before 11.2.202.425 on Linux allows attackers to execute arbitrary code via unspecified vectors.

Frequently asked questions

What is CVE-2014-8443?: Use-after-free vulnerability in Adobe Flash Player before 13.0.0.259 and 14.x through 16.x before 16.0.0.235 on Windows and OS X and before 11.2.202.425 on Linux allows attackers to execute arbitrary code via unspecified vectors.
How severe is CVE-2014-8443?: CVE-2014-8443 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2014-8443 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8443?: CVE-2014-8443 affects Adobe Flash Player. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-8443?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2014-8443 published?: CVE-2014-8443 was published on 2014-12-10 and last updated on 2026-06-17.

References

http://helpx.adobe.com/security/products/flash-player/apsb14-27.html

Affected products (1)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*

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