Applied Cybernetics Group
Threat intel → detection pipeline
Tuesday, July 14, 2026
Data as of 20:11 UTC

Adobe Flash Player Use-After-Free Vulnerability

Added to KEV
2022-03-03
Federal due date
2022-03-24
Vendor
Adobe
Product
Flash Player
EPSS
99.9th percentile (score 0.993, as of 2026-07-13)
NVD CVSS v3.1
Ransomware use
Unknown
ATT&CK
T1055.001 , T1059.007 , T1071.001 , T1105 , T1203 , T1204.001 , T1566.002 · signal rollup
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2015-5119

CISA short description

A use-after-free vulnerability exists within the ActionScript 3 ByteArray class in Adobe Flash Player that allows an attacker to perform remote code execution.

Required action

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

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.