Vulnerability · Published Sep 8, 2026 · Assigned by adobe
CVE-2026-81993Acrobat Reader | Heap-based Buffer Overflow (CWE-122)
Medium 5.5
In plain English
A medium-severity heap buffer overflow in Acrobat 2024 from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 77.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Adobe Acrobat | 0 – through 26.002.21900 |
| Adobe | Acrobat Reader | 0 – through 26.002.21900 |
| Adobe | Acrobat 2024 | 0 – through 24.001.30383 |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N