Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability

A local attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2023-10-05 under CISA BOD 22-01.

This is a Out-of-bounds Write (CWE-787) vulnerability in Adobe Acrobat and Reader. Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write 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. Exploitation requires local access, low attack complexity, no authentication required, and user interaction required.

Probably yes if any of these apply:

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2023-09-14 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2023-10-05.