Vulnerability · Published Sep 8, 2026 · Assigned by adobe
CVE-2026-81978Acrobat Reader | Out-of-bounds Read (CWE-125)
Medium 5.5
In plain English
A medium-severity out-of-bounds read 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 18% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 82.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Acrobat Reader is affected by an out-of-bounds read 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-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N