CVE-2023-21612: 
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier), and 20.005.30418 (and earlier) are affected by a Creation of Temporary File in Directory with Incorrect Permissions vulnerability, identified as CVE-2023-21612. The vulnerability was disclosed on January 10, 2023, and affects both Windows and macOS operating systems (NVD, Adobe Advisory).

The vulnerability is classified as a Creation of Temporary File in Directory with Insecure Permissions (CWE-379). It has received a CVSS v3.1 Base Score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability requires local access and user interaction for successful exploitation (NVD).

If successfully exploited, this vulnerability could result in privilege escalation in the context of the current user. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected system (NVD).

Exploitation of this vulnerability requires user interaction, specifically that a victim must open a malicious file. The attack complexity is considered low, but requires local access to the target system (NVD).

Adobe has released security updates to address this vulnerability. Users should update their Adobe Acrobat and Reader installations to the latest versions available through the official Adobe update channels (Adobe Advisory).