Prototype Pollution in Adobe Acrobat 2024
CVE-2026-81994
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.
Vulnerability class: Prototype Pollution
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.
Affected products
Weakness classification (CWE)
References
- psirt@adobe.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-81994?
- CVE-2026-81994 is a high-severity vulnerability in Adobe Acrobat 2024, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.2/10. Published 2026-09-08.
- How severe is CVE-2026-81994?
- High severity. CVSS v3 base score is 8.2 out of 10.