---
id: "CVE-2013-0640"
kind: "vulnerability"
aliases: ["CVE-2013-0640"]
title: "Adobe Reader and Acrobat: Adobe Reader and Acrobat Memory Corruption Vulnerability"
severity: "critical"
cvss: 9.3
epss: 0.86927
exploited: true
status: "open"
category: "package"
products: [{"name": "Adobe Reader and Acrobat", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["acrobat", "adobe-reader", "desktop", "exploited", "package", "windows"]
not_affected_if: ["no-adobe-reader-installed", "patched-version"]
published_at: "2013-02-14T01:55:02+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-2013-0640", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2013-0640", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-0640", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Adobe Reader and Acrobat: Adobe Reader and Acrobat Memory Corruption Vulnerability

Adobe Reader and Acrobat have a memory corruption flaw in acroform.dll that lets a crafted PDF run code on the machine that opens it. Attackers are exploiting it in the wild, per CISA's Known Exploited Vulnerabilities list.

_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 Help > About for the version; compare it with the vendor's fixed release.

## Fix

Update Adobe Reader or Acrobat to a version the vendor lists as fixed for CVE-2013-0640.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2013-0640
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2013-0640
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2013-0640

## From the sources

Adobe Reader and Acrobat 9.x before 9.5.4, 10.x before 10.1.6, and 11.x before 11.0.02 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted PDF document, as exploited in the wild in February 2013.

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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_