SecOps SignalSecurity Intelligence Workspace
Loading collection status
Vulnerabilities/CVE-2009-3459Public Intelligence Dossier
Source: adobe · Limited verification•Last verified: •Collection Degraded
CVE-2009-3459ListedHIGH (raw)CVSS 9.3CWE-119

Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption, as exploited in the wild in October 2009

Published: 13 Oct 2009•Last updated: 17 Jun 2026, 04:41 AM IST•Source identifier: psirt@adobe.com
Dossier completeness: source-provided sections 3 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Listed
Added20 May 2026
Due03 Jun 2026
RansomwareUnknown
CVSS score
9.3HIGH (raw)
AV:N/AC:M/Au:N/C:C/I:C/A:C
Metric sourcenvd@nist.gov
EPSS probability
86.6%0.866
Percentile100th
Weakness type
CWE-119
CWE-122
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption, as exploited in the wild in October 2009. NOTE: some of these details are obtained from third party information.

SOC priority

Immediate Attention

Actively exploited

Yes

Publicly disclosed

Unknown

Risk basis: CISA KEV exploitation signal; Microsoft or Microsoft-managed product relevance; HIGH severity; Known exploitation signal from CISA KEV or ransomware metadata

Affected Products & Remediation

2 source-backed products
Affected products and versions (source)
  • adobe acrobat · >= 7.0 < 7.1.4; >= 8.0 < 8.1.7; >= 9.0 < 9.2; reader >= 7.0 < 7.1.4; reader >= 8.0 < 8.1.7; reader >= 9.0 < 9.2 · NVD CPE · Source
  • adobe acrobat reader · >= 7.0 < 7.1.4; >= 8.0 < 8.1.7; >= 9.0 < 9.2 · NVD CPE · Source
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

  • CISA KEV: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Listed
Exploited (source statement)
Yes
Publicly disclosed (source)
Unknown

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched kev-network-exposure (CVSS AV:N, CISA KEV Listed)

Exposure

  1. Identify assets with the exact CVE and confirm the affected product/version against the advisory.Telemetry: DeviceTvmSoftwareVulnerabilities · KEV listing raises urgency, but inventory is needed to establish local exposure. · Rule kev-network-exposure

Exploitation evidence

  1. Review relevant edge or application access logs for unusual requests around the advisory window.Telemetry: CommonSecurityLog · Log review is a hunting hypothesis; KEV listing alone does not show local exploitation. · Rule kev-network-exposure

Response

  1. Recheck the affected assets after the source-stated mitigation or update is applied.Telemetry: DeviceTvmSoftwareVulnerabilities · A follow-up inventory check verifies local remediation. · Rule kev-network-exposure

CISA KEV Record

Catalog entry
20 May 2026
Required action due
03 Jun 2026
Known ransomware use
Unknown

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Change History & Source Data

— No recorded material change

CNA / source
psirt@adobe.com
Record status · verification
UPDATED · CISA KEV confirmed
CPE
cpe:2.3:a:adobe:acrobat:*:*:*:*:*:*:*:*, cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2009-3459
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2009-3459
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2009-3459"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
Loading related intelligence

Correlated briefings

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.