---
id: CVE-2020-9711
title: >-
  Acrobat Reader versions 2020.009.20074, 2020.001.30002, 2017.011.30171,
  2015.006.30523 and earlier are affected by an out-of-bounds read vulnerability
  that could lead to disclosure of sensitive memory
summary: >-
  Acrobat Reader versions 2020.009.20074, 2020.001.30002, 2017.011.30171,
  2015.006.30523 and earlier are affected by an out-of-bounds read vulnerability
  that could lead to disclosure of sensitive memory. An attacker could leverage
  this vul…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'
cwe:
  - CWE-125
vendor: adobe
product: acrobat_dc
affected:
  - acrobat_dc <= 20.009.20074
  - 'acrobat_dc >= 15.000.0000, <= 15.006.30523'
  - 'acrobat_dc >= 17.009.20044, <= 17.011.30171'
  - acrobat_dc = 20.001.30002
  - acrobat_reader = 20.001.30002
  - acrobat_reader_dc <= 20.009.20074
  - 'acrobat_reader_dc >= 15.000.0000, <= 15.006.30523'
  - 'acrobat_reader_dc >= 17.009.20044, <= 17.011.30171'
published: '2026-06-23'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T09:10:00.157'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-9711'
references:
  - url: 'https://helpx.adobe.com/security/products/acrobat/apsb20-48.html'
    label: psirt@adobe.com
tags:
  - nvd
epss: 0.00261
epssPercentile: 0.15969
ingestedAt: '2026-09-29T09:30:49.079Z'
---

## Overview

Acrobat Reader versions 2020.009.20074, 2020.001.30002, 2017.011.30171, 2015.006.30523 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

## Affected

- `acrobat_dc <= 20.009.20074`
- `acrobat_dc >= 15.000.0000, <= 15.006.30523`
- `acrobat_dc >= 17.009.20044, <= 17.011.30171`
- `acrobat_dc = 20.001.30002`
- `acrobat_reader = 20.001.30002`
- `acrobat_reader_dc <= 20.009.20074`
- `acrobat_reader_dc >= 15.000.0000, <= 15.006.30523`
- `acrobat_reader_dc >= 17.009.20044, <= 17.011.30171`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.