CVE-2016-7855VulnerabilityPublished 03/03/2022Updated 10/24/2026

CVE-2016-7855: Adobe Flash Player Use-After-Free Vulnerability

Affects Adobe Flash PlayerSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 03/03/2022
KEV deadline: 03/24/2022
EPSS: 25.2% chance of exploitation in 30 days – higher than 97% of CVEs

What to do

CISA required action

The impacted product is end-of-life and should be disconnected if still in use.

nvd.nist.gov/vuln/detail/CVE-2016-7855 (opens in a new tab)

Description

CVE-2016-7855 is a use-after-free vulnerability in Adobe Flash Player affecting Windows, macOS, and Linux platforms. This flaw allows remote attackers to execute arbitrary code on vulnerable systems. It has been exploited in the wild, indicating active threat usage. No specific affected versions or patch information is provided in the available data.

Summary

This vulnerability involves a use-after-free condition in Adobe Flash Player across multiple operating systems, enabling remote code execution by attackers. The vulnerability is identified as CVE-2016-7855 and is associated with CWE-416 (Use After Free). Exploitation has been observed in the wild, underscoring its practical risk. However, no explicit patch or remediation details are included in the provided information.

Impact

Successful exploitation of this vulnerability allows remote attackers to execute arbitrary code, potentially leading to full system compromise on affected machines running Adobe Flash Player. The presence of known exploits in the wild confirms active exploitation attempts.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until official fixes are confirmed, users should consider disabling Adobe Flash Player or restricting its use to trusted content only.

Weaknesses

CWE-416Use After Free (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 10:26:39 UTC

Weaknesses

References

Related threats