Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21608
https://helpx.adobe.com/security/products/acrobat/apsb23-01.html