CVE-2026-27278
HIGHCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Description
Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Analysis
Arbitrary code execution in Adobe Acrobat and Acrobat Reader versions 24.001.30307 and earlier stems from a use-after-free memory vulnerability triggered when users open specially crafted files. An attacker can achieve code execution with the privileges of the current user, though exploitation requires victim interaction. …
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Remediation
Within 24 hours: Identify all systems running affected Acrobat Reader versions and restrict PDF opening from untrusted sources. Within 7 days: Deploy an alternative PDF viewer (e.g., Microsoft Edge, Chrome) as the default application for PDF files and disable Acrobat Reader where feasible. …
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External POC / Exploit Code
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