CVE-2026-81973 is a Use After Free vulnerability (CWE-416) in Adobe Acrobat Reader. This flaw could enable an attacker to execute arbitrary code within the context of the current user if the victim opens a maliciously crafted file. The vulnerability requires user interaction and has a CVSS 3.1 base score of 7.8, indicating high severity with low attack complexity and no privileges required but user interaction necessary. No patch or official remediation details are currently available, and there are no known exploits in the wild.

Successful exploitation could lead to arbitrary code execution with the privileges of the current user, potentially compromising confidentiality, integrity, and availability of the affected system. However, exploitation requires the victim to open a malicious file, limiting the attack vector to user interaction.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when opening files from untrusted sources and consider applying any recommended security controls from Adobe once available.