---
id: "CVE-2013-3346"
kind: "vulnerability"
aliases: ["CVE-2013-3346"]
title: "Adobe Reader and Acrobat: Adobe Reader and Acrobat Memory Corruption Vulnerability"
severity: "critical"
cvss: 10.0
epss: 0.78913
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: ["unpatched-versions-not-installed"]
published_at: "2013-08-30T20:55:06+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-2013-3346", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2013-3346", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-3346", "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 how they handle crafted documents. An attacker who gets a user to open a malicious PDF can run arbitrary code or crash the reader.

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

## Affected

- vendor:Adobe Reader and Acrobat affected ? fixed ?

## Fix

Update Adobe Reader and Acrobat to a release newer than the vendor's 2013 fix; CISA says to 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-2013-3346
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2013-3346
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2013-3346

## From the sources

Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2013-2718, CVE-2013-2719, CVE-2013-2720, CVE-2013-2721, CVE-2013-2722, CVE-2013-2723, CVE-2013-2725, CVE-2013-2726, CVE-2013-2731, CVE-2013-2732, CVE-2013-2734, CVE-2013-2735, CVE-2013-2736, CVE-2013-3337, CVE-2013-3338, CVE-2013-3339, CVE-2013-3340, and CVE-2013-3341.

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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_