CVE-2026-81973: Use After Free (CWE-416) in Adobe Adobe Acrobat

CVE-2026-81973 is a Use After Free vulnerability in Adobe Acrobat Reader that may lead to arbitrary code execution in the context of the current user. Successful exploitation requires a victim to open a crafted malicious file. The vulnerability affects Adobe Acrobat versions up to and including 26.002.21900 and 24.001.30383. The CVSS 3.1 vector indicates local attack vector with low attack complexity, no privileges required, but user interaction is necessary. Confidentiality, integrity, and availability impacts are all high.

An attacker who successfully exploits this vulnerability could execute arbitrary code with the same privileges as the current user, potentially leading to full compromise of the affected system. Exploitation requires user interaction, limiting the attack vector to scenarios where a user opens a malicious file.

No patch or official remediation details are provided in the input data. Patch status is not yet confirmed — check the Adobe vendor advisory for current remediation guidance. Until a fix is available, users should exercise caution when opening files from untrusted sources.