Adobe Security Bulletin

Security update available for Adobe Acrobat Reader  | APSB26-63

Bulletin ID

Date Published

Priority

APSB26-63

June 9, 2026

2

Summary

Adobe has released a security update for Adobe Acrobat and Reader for Windows and macOS. This update addresses critical and important vulnerabilities. Successful exploitation could lead to arbitrary code execution, application denial-of-service, and memory exposure.

 Adobe is not aware of any exploits in the wild for any of the issues addressed in these updates.

Affected Versions

Product

Track

Affected Versions

Platform

Adobe Acrobat 

Continuous 

26.001.21651 and earlier

Windows &  macOS

Acrobat Reader

Continuous 

26.001.21651 and earlier

Windows & macOS

Acrobat 2024

Classic 2024    

24.001.30365 and earlier

Windows & macOS

For questions regarding Adobe Acrobat, please visit the Adobe Acrobat FAQ page. 

For questions regarding Acrobat Reader, please visit the Acrobat Reader FAQ page.

Solution

Adobe recommends users update their software installations to the latest versions by following the instructions below.    

The latest product versions are available to end users via one of the following methods:    

  • Users can update their product installations manually by choosing Help > Check for Updates.     

  • The products will update automatically, without requiring user intervention, when updates are detected.     
  • Users can manually download and install updates for the latest version here.

For IT administrators (managed environments):     

  • Refer to the specific release note version for links to installers.     

  • Install updates via your preferred methodology, such as AIP-GPO, bootstrapper, SCUP/SCCM (Windows), or on macOS, Apple Remote Desktop and SSH.     

   

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:    

Product

Track

Updated Versions

Platform

Priority Rating

Availability

Adobe Acrobat

Continuous

26.001.21662

Windows and macOS

2

Acrobat Reader

Continuous

26.001.21662

Windows and macOS

2

Acrobat 2024

Classic 2024

24.001.30383 

Windows  and macOS  

2

Vulnerability Details

Vulnerability Category Vulnerability Impact Severity CVSS base score CVSS vector CVE Number
Out-of-bounds Write (CWE-787) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47911
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47912
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47913
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47914
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47915
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47916
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47917
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47918
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47919
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47920
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47921
Use After Free (CWE-416) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47955
Stack-based Buffer Overflow (CWE-121) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47959
Heap-based Buffer Overflow (CWE-122) Arbitrary code execution Critical 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-47952
Uncontrolled Search Path Element (CWE-427) Arbitrary code execution Critical 7.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N CVE-2026-47937
Out-of-bounds Read (CWE-125) Application denial-of-service Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVE-2026-47961
Out-of-bounds Read (CWE-125) Memory exposure Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVE-2026-47923
Use After Free (CWE-416) Memory exposure Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVE-2026-47924
Integer Overflow or Wraparound (CWE-190) Application denial-of-service Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2026-47925
Out-of-bounds Read (CWE-125) Memory exposure Important 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVE-2026-47926

Acknowledgements

Adobe would like to thank the following researchers for reporting these issues and for working with Adobe to help protect our customers:   

  • Seiji Sakurai (@HeapSmasher) working with TrendAI Zero Day Initiative - CVE-2026-47911
  • Mark Vincent Yason (markyason.github.io) working with TrendAI Zero Day Initiative - CVE-2026-47912, CVE-2026-47913, CVE-2026-47923, CVE-2026-47924
  • Brandon Evans of TrendAI Zero Day Initiative - CVE-2026-47915
  • Tao Yan (@Ga1ois) and Edouard Bochin (@le_douds) of Palo Alto Networks - CVE-2026-47916
  • Dongeui Ko (d0c70r) - CVE-2026-47925
  • Yu Zhou and Yutao Wang of YunShangHuaAn (yutao_wang) - CVE-2026-47926, CVE-2026-47959
  • Anonymous working with TrendAI Zero Day Initiative - CVE-2026-47914
  • Anonymous working with TrendAI Zero Day Initiative - CVE-2026-47917
  • Anonymous working with TrendAI Zero Day Initiative - CVE-2026-47918
  • XP - CVE-2026-47920, CVE-2026-47921, CVE-2026-47961, CVE-2026-47955
  • raxober - CVE-2026-47952
  • Pedro J. Nunez-Cacho Fuentes (@tunelko) - CVE-2026-47937

 

Revisions:

  • April 12, 2026: Adjusted CVSS Attack Vector from Network (AV:N) to Local (AV:L), changing the overall CVSS from 9.6 to 8.6.

NOTE: Adobe has a public bug bounty program with HackerOne. If you are interested in working with Adobe as an external security researcher, please check out https://hackerone.com/adobe

For more information, visit https://helpx.adobe.com/security.html, or email PSIRT@adobe.com.

Adobe, Inc.

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