CVE-2023-26369: 
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

CVE-2023-26369 is a critical out-of-bounds write vulnerability affecting Adobe Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier), and 20.005.30514 (and earlier). The vulnerability was discovered in September 2023 and has been assigned a CVSS score of 7.8 (High). This security flaw affects both Windows and macOS versions of Adobe Acrobat and Reader (Adobe Security, NVD Database).

The vulnerability is characterized as an out-of-bounds write issue (CWE-787) that could result in arbitrary code execution in the context of the current user. The vulnerability has been assigned a CVSS vector of CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Exploitation of this issue requires user interaction, specifically requiring a victim to open a malicious file (NVD Database).

Successful exploitation of this vulnerability could lead to arbitrary code execution in the context of the current user, potentially allowing attackers to gain control over the affected system. The high CVSS score of 7.8 indicates significant potential impact on the confidentiality, integrity, and availability of the affected systems (Adobe Security, Rapid7).

Adobe has released security updates to address this vulnerability. Users are strongly advised to update their Adobe Acrobat and Reader installations to the latest versions. The vulnerability has been included in CISA's Known Exploited Vulnerabilities Catalog, with a due date of October 5, 2023, for federal agencies to apply the vendor's mitigations (NVD Database).