Buffer overflow in Adobe Acrobat 2024
CVE-2026-81993
Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- psirt@adobe.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-81993?
- CVE-2026-81993 is a medium-severity vulnerability in Adobe Acrobat 2024, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2026-09-08.
- How severe is CVE-2026-81993?
- Medium severity. CVSS v3 base score is 5.5 out of 10.