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CVE-2009-3459: Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability
Adobe Acrobat and Reader · in CISA KEV since 2026-05-20
2026-05-20added to KEV
2026-06-03federal remediation due date
86.58%EPSS exploit probability (30 days) 99.7th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
6,063days from NVD publication to KEV
What it is
Adobe Acrobat and Reader contain a heap-based buffer overflow vulnerability which could allow remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-119 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2009-10-13 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2009-3459.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.