CVE-2025-54217: 
Adobe InCopy vulnerability analysis and mitigation

Adobe InCopy versions 20.4, 19.5.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability identified as CVE-2025-54217. The vulnerability was disclosed on August 12, 2025, and affects both Windows and macOS operating systems running Adobe InCopy software (NVD, Adobe Advisory).

The vulnerability is classified as a Heap-based Buffer Overflow (CWE-122) with a CVSS v3.1 base score of 7.8 (High). The vulnerability's attack vector is characterized as Local (AV:L), with Low attack complexity (AC:L), requiring No privileges (PR:N), and User interaction (UI:R). The scope is Unchanged (S:U), with High impact on Confidentiality, Integrity, and Availability (C:H/I:H/A:H) (NVD).

If successfully exploited, this vulnerability could result in arbitrary code execution in the context of the current user. The high severity rating indicates potential significant impact on system security, including the possibility of unauthorized code execution with user-level privileges (NVD).

Adobe has released security updates to address this vulnerability. Users are advised to update to InCopy version 20.5 or 19.5.5, depending on their current version. These patches were made available in the August 12, 2025 update (ASEC Advisory).