Adobe Acrobat and Reader Arbitrary Code Execution Vulnerability (CVE-2023-26369) Notification

Adobe Acrobat and Reader Arbitrary Code Execution Vulnerability (CVE-2023-26369) Notification

September 15, 2023 | NSFOCUS


Recently, NSFOCUS CERT monitored Adobe’s official security announcement and fixed an arbitrary code execution vulnerability (CVE-2023-26369). Due to a cross-border write flaw, an unauthenticated attacker could finally execute arbitrary code on the target system by exploiting this vulnerability. This vulnerability is being exploited in the wild. Affected users should take protective measures as soon as possible.

Reference link:

Scope of Impact

Affected version

  • Adobe Acrobat DC<=23.003.20284
  • Adobe Acrobat Reader DC<=23.003.20284
  • Adobe Acrobat 2020<=20.005.30516 (Mac)
  • Adobe Acrobat 2020<=20.005.30514 (Win)
  • Adobe Acrobat Reader 2020<=20.005.30516 (Mac)
  • Adobe Acrobat Reader 2020<=20.005.30514 (Win)

Unaffected version

  • Adobe Acrobat DC>=23.006.20320
  • Adobe Acrobat Reader DC>=23.006.20320
  • Adobe Acrobat 2020>=20.005.30524
  • Adobe Acrobat Reader 2020>=20.005.30524


Official upgrade

At present, the official has fixed this vulnerability in the latest version. Affected users are requested to upgrade the version as soon as possible to protect:

Adobe Acrobat DC and Acrobat DC: -Track

Adobe Acrobat 2020 and Acrobat Reader 2020: -Track

Manual upgrade

Users can manually update their product installation by selecting “Help”>”Check for Updates”.


This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.


NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyberattacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.

NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA). A wholly owned subsidiary of NSFOCUS Technologies Group Co., Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.