CVE-2016-4278

CVE-2016-4278 is a medium-severity vulnerability in Adobe Flash Player with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Adobe Flash Player before 18.0.0.375 and 19.x through 23.x before 23.0.0.162 on Windows and OS X and before 11.2.202.635 on Linux allows attackers to bypass intended access restrictions and obtain sensitive information via unspecified vectors, a different vulnerability than CVE-2016-4271 and CVE-2016-4277.

Frequently asked questions

What is CVE-2016-4278?
Adobe Flash Player before 18.0.0.375 and 19.x through 23.x before 23.0.0.162 on Windows and OS X and before 11.2.202.635 on Linux allows attackers to bypass intended access restrictions and obtain sensitive information via unspecified vectors, a different vulnerability than CVE-2016-4271 and CVE-2016-4277.
How severe is CVE-2016-4278?
CVE-2016-4278 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-4278 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4278?
CVE-2016-4278 primarily affects Adobe Flash Player. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4278?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4278 published?
CVE-2016-4278 was published on 2016-09-14 and last updated on 2026-06-17.

References

Affected products (6)

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