CVE-2026-81993: Heap-based Buffer Overflow (CWE-122) in Adobe Adobe Acrobat

CVE-2026-81993 is a heap-based buffer overflow vulnerability in Adobe Acrobat that could lead to disclosure of sensitive memory contents. An attacker must trick a user into opening a crafted malicious file to exploit this vulnerability. The flaw does not affect integrity or availability but impacts confidentiality. The vulnerability affects Adobe Acrobat versions up to 26.002.21900 and 24.001.30383. No known exploits are reported in the wild, and no official patch information is provided in the input data.

Successful exploitation could result in disclosure of sensitive information from the application's memory. There is no indication of impact on integrity or availability. The attack requires user interaction, limiting the ease of exploitation.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when opening files from untrusted sources to prevent exploitation.