Exploited· due 2022-08-157.8highHighused in ransomware

CVE-2018-15982

Adobe Flash Player

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.

Exploitation status

CISA has confirmed this is being exploited in the wild. That is an observation of real attacks, not a prediction.
It is known to have been used in ransomware campaigns.
US federal civilian agencies are required to remediate it by 2022-08-15. That deadline does not bind private companies, but it is a reasonable benchmark for how urgently CISA views it.
A vendor advisory or patch reference has been published.

Required action

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

CISA’s wording, unedited.

What the metrics mean

It is requires local access to the machine.
For an attacker who can reach it, no special conditions are needed to exploit it.
To exploit it, no account is needed.
Beyond that, someone has to be persuaded to take an action first.

Scoring

CVSS: 7.8 (v3.1)
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-416
Assigned by: psirt@adobe.com

Dates

Published: 2019-01-18
Last modified: 2026-08-13
Added to KEV: 2022-02-15
Remediation due: 2022-08-15
Sources: CISA KEV, NVD

Affected products

Adobe Flash Player- 31.0.0.153
Apple Mac Os Xall versions
Linux Linux Kernelall versions
Microsoft Windowsall versions
Google Chrome Osall versions
Microsoft Windows 10all versions
Microsoft Windows 8.1all versions
Redhat Enterprise Linux Desktop6.0
Redhat Enterprise Linux Server6.0
Redhat Enterprise Linux Workstation6.0
Adobe Flash Player Installer- 31.0.0.108

As listed in the NVD configuration data. Not a statement about your estate.