CVE-2009-3459
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
86.6%
99.7th percentile
CISA KEV
Listed
Added 2026-05-20 · patch by 2026-06-03
Weakness / dates
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Published — · modified —
Timeline
- 2026-05-20 — Added to CISA KEV (actively exploited)
- 2026-06-03 — CISA patch-by deadline
Description
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.