How severe is CVE-2014-0503?

CVE-2014-0503 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2014-0503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0503?

CVE-2014-0503 affects Adobe Flash Player. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-0503?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0503 published?

CVE-2014-0503 was published on 2014-03-12 and last updated on 2026-06-17.

CVE-2014-0503

CVE-2014-0503 is a medium-severity vulnerability in Adobe Flash Player with a CVSS 2.0 base score of 6.4. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Adobe Flash Player
Published: 2014-03-12
Last modified: 2026-06-17

Description

Adobe Flash Player before 11.7.700.272 and 11.8.x through 12.0.x before 12.0.0.77 on Windows and OS X, and before 11.2.202.346 on Linux, allows remote attackers to bypass the Same Origin Policy via unspecified vectors.

Frequently asked questions

What is CVE-2014-0503?: Adobe Flash Player before 11.7.700.272 and 11.8.x through 12.0.x before 12.0.0.77 on Windows and OS X, and before 11.2.202.346 on Linux, allows remote attackers to bypass the Same Origin Policy via unspecified vectors.
How severe is CVE-2014-0503?: CVE-2014-0503 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2014-0503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0503?: CVE-2014-0503 affects Adobe Flash Player. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-0503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-0503 published?: CVE-2014-0503 was published on 2014-03-12 and last updated on 2026-06-17.

References

Affected products (1)

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

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