---
id: "CVE-2018-15982"
kind: "vulnerability"
aliases: ["CVE-2018-15982"]
title: "Adobe Flash Player: Adobe Flash Player Use-After-Free Vulnerability"
severity: "critical"
cvss: 10.0
epss: 0.89581
exploited: true
status: "open"
category: "runtime"
products: [{"name": "Adobe Flash Player", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["adobe-flash-player", "browsers", "exploited", "linux", "macos", "ransomware", "runtime", "windows"]
not_affected_if: ["flash-not-installed"]
published_at: "2019-01-18T17:29:01+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-15982", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-15982", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15982", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Adobe Flash Player: Adobe Flash Player Use-After-Free Vulnerability

Adobe Flash Player has a use-after-free bug in its media metadata handling (com.adobe.tvsdk.mediacore.metadata) that lets crafted content corrupt memory. Attackers can run code on a victim's machine, and CISA lists it as actively exploited, including in ransomware campaigns.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Adobe Flash Player affected ? fixed ?

## How to check

Check whether any machine still has Adobe Flash Player installed, for example by looking for FlashPlayer plugin files or the Flash Player entry in installed programs.

## Fix

Uninstall Adobe Flash Player; the product is end-of-life and CISA says to disconnect it if still in use.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-15982
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2018-15982
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2018-15982

## From the sources

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

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

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_