Vulnerability · Published Sep 8, 2026 · Assigned by adobe
CVE-2026-81994Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
High 8.2
In plain English
A high-severity prototype pollution 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 0.6% (higher than 49% of all known vulnerabilities).
Official description
Acrobat Reader is affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.
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-1321 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N