CVE-2015-8456

CVE-2015-8456 is a critical-severity vulnerability in Adobe Flash Player with a CVSS 2.0 base score of 9.3. 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 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on Linux, Adobe AIR before 20.0.0.204, Adobe AIR SDK before 20.0.0.204, and Adobe AIR SDK & Compiler before 20.0.0.204 allow attackers to execute arbitrary code by leveraging an unspecified "type confusion," a different vulnerability than CVE-2015-8439.

Frequently asked questions

What is CVE-2015-8456?
Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on Linux, Adobe AIR before 20.0.0.204, Adobe AIR SDK before 20.0.0.204, and Adobe AIR SDK & Compiler before 20.0.0.204 allow attackers to execute arbitrary code by leveraging an unspecified "type confusion," a different vulnerability than CVE-2015-8439.
How severe is CVE-2015-8456?
CVE-2015-8456 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2015-8456 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8456?
CVE-2015-8456 primarily affects Adobe Flash Player. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8456?
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-2015-8456 published?
CVE-2015-8456 was published on 2015-12-10 and last updated on 2026-06-17.

References

Affected products (8)

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