---
id: "CVE-2011-0611"
kind: "vulnerability"
aliases: ["CVE-2011-0611"]
title: "Adobe Flash Player: Adobe Flash Player Remote Code Execution Vulnerability"
severity: "critical"
cvss: 9.3
epss: 0.9941
exploited: true
status: "open"
category: "runtime"
products: [{"name": "Adobe Flash Player", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["adobe-flash-player", "browsers", "exploited", "macos", "runtime", "windows"]
not_affected_if: ["flash-not-installed"]
published_at: "2011-04-13T14:55:01+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-2011-0611", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-0611", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-0611", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Adobe Flash Player: Adobe Flash Player Remote Code Execution Vulnerability

Adobe Flash Player has a flaw that lets a remote attacker run arbitrary code through crafted Flash content. Attackers exploit it in the wild, per CISA's Known Exploited Vulnerabilities catalog.

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

## Affected

- vendor:Adobe Flash Player affected ? fixed ?

## Fix

Remove Adobe Flash Player from the machine, since 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-2011-0611
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2011-0611
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2011-0611

## From the sources

Adobe Flash Player before 10.2.154.27 on Windows, Mac OS X, Linux, and Solaris and 10.2.156.12 and earlier on Android; Adobe AIR before 2.6.19140; and Authplay.dll (aka AuthPlayLib.bundle) in Adobe Reader 9.x before 9.4.4 and 10.x through 10.0.1 on Windows, Adobe Reader 9.x before 9.4.4 and 10.x before 10.0.3 on Mac OS X, and Adobe Acrobat 9.x before 9.4.4 and 10.x before 10.0.3 on Windows and Mac OS X allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted Flash content; as demonstrated by a Microsoft Office document with an embedded .swf file that has a size inconsistency in a "group of included constants," object type confusion, ActionScript that adds custom functions to prototypes, and Date objects; and as exploited in the wild in April 2011.

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