Bulletin ID
Security update available for Adobe Acrobat Reader | APSB26-63
|
|
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
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:
|
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.