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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.001.21411]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Acrobat Reader", "source": "cna", "vendor": "Adobe"}, "product": "acrobat_reader", "vendor": "adobe"}], "analysis": {"en": {"generated_at": "2026-04-14T17:52:14.279256+00:00", "value": {"mitigation_remediation": ["Apply the latest Adobe Acrobat Reader update, preferably the version 26.001.21411 release or later.", "Avoid opening PDF files from untrusted or unknown sources.", "Implement file\u2011type filtering and content\u2011type validation on email gateways and web servers to block executable PDFs.", "Monitor Adobe security advisories and the provided reference link for additional updates or work\u2011arounds."], "summary": {"action": "Immediate patch", "impact": "Arbitrary code execution"}, "threat_synthesis": {"affected_systems": "Adobe Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and all earlier releases are affected. All editions of Acrobat Reader that ship with these version numbers on any supported operating system are vulnerable.", "description_and_impact": "Adobe Acrobat Reader contains a prototype pollution flaw that allows an attacker to modify object prototype attributes during the processing of a PDF file. This weakness, identified as CWE\u20111321, can result in arbitrary code execution in the context of the current user. The vulnerability arises from an improper control over how JavaScript objects are altered when a crafted file is opened.", "risk_and_exploitability": "The CVSS score of 8.6 categorizes this flaw as high severity, indicating substantial risk to confidentiality, integrity, and availability. Exploitation requires the victim to open a malicious PDF file, so the attack vector depends on the user\u2019s interaction with the document. The severity rating and user\u2011interaction requirement highlight the need for proactive remediation."}}}}, "created": "2026-04-15T14:31:56.931295+00:00", "updated": "2026-04-15T15:30:06.808640+00:00", "vendors": ["adobe", "adobe$PRODUCT$acrobat_reader"]}