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.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.2
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
- EPSS probability
- 0.30%
- CWE
- CWE-1321
- Published
- 2026-09-08
- Last modified
- 2026-09-08
Affected products
- Adobe Adobe Acrobat
- Adobe Adobe Acrobat
- Adobe Acrobat Reader
- Adobe Acrobat Reader
- Adobe Acrobat 2024
- Adobe Acrobat 2024
Weakness type
Related vulnerabilities
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- CVE-2026-63376 — toml-node: Prototype Pollution Leads to `Object.prototype` Corruption via `__proto__` Key-Path Desynchronization
- CVE-2026-85063 — node-csv: Prototype replacement still reachable via columns path
- CVE-2026-82404 — TOON: Prototype pollution when decoding untrusted TOON input
- CVE-2026-84368 — joi: Prototype pollution via a `__proto__` language key in custom messages
- CVE-2026-84367 — joi: object().rename() with a template target can set the validated object's prototype
- CVE-2026-81887 — Livewire DOM-based cross-site scripting during client-side state handling