Applied Cybernetics Group
Threat intel → detection pipeline
Friday, September 18, 2026
Data as of 13:09 UTC

known ransomware use

Adobe Flash Player Use-After-Free Vulnerability

Added to KEV
2022-02-15
Federal due date
2022-08-15
Vendor
Adobe
Product
Flash Player
EPSS
99.8th percentile (score 0.891, as of 2026-09-16)
NVD CVSS v3.1
7.8 (HIGH)
Ransomware use
Known
ATT&CK
T1105 , T1204.002 · signal rollup
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2018-15982

CISA short description

Adobe Flash Player com.adobe.tvsdk.mediacore.metadata Use After Free Vulnerability

Required action

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

NVD description

Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

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.