---
id: "CVE-2014-0496"
kind: "vulnerability"
aliases: ["CVE-2014-0496"]
title: "Adobe Reader and Acrobat: Adobe Reader and Acrobat Use-After-Free Vulnerability"
severity: "critical"
cvss: 10.0
epss: 0.3998
exploited: true
status: "open"
category: "other"
products: [{"name": "Adobe Reader and Acrobat", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["acrobat", "adobe-reader", "exploited", "macos", "other", "windows"]
not_affected_if: ["not-installed"]
published_at: "2014-01-15T16:13:04+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-2014-0496", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2014-0496", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0496", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Adobe Reader and Acrobat: Adobe Reader and Acrobat Use-After-Free Vulnerability

Adobe Reader and Acrobat have a use-after-free memory bug that lets a crafted PDF run code on the machine that opens it. CISA lists it as exploited in the wild.

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

## Affected

- vendor:Adobe Reader and Acrobat affected ? fixed ?

## How to check

Open Adobe Reader or Acrobat and check the installed version under Help, About; compare it with the fixed version in the vendor advisory.

## Fix

Update Adobe Reader and Acrobat to a release that includes the vendor fix, as CISA directs (apply updates per vendor instructions).

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2014-0496
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2014-0496
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2014-0496

## From the sources

Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.9 and 11.x before 11.0.06 on Windows and Mac OS X allows attackers to execute arbitrary code via unspecified vectors.

---

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