CVE-2009-1862

Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9...

7.8 HighIn KEV

Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf file, related to authplay.dll, as exploited in the wild in July 2009.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

21.2%Up 10.2 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2009-1862
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-787
Updated: 2026-11-02

CVE List 7.8

Record: CVE-2009-1862
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

EUVDEUVD-2009-1857 7.8

Record: EUVD-2009-1857
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-wx6p-35hf-vhhj 7.8

Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9...

Record: GHSA-wx6p-35hf-vhhj
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-94, CWE-787
Updated: 2026-11-02

CISA KEV No score

Adobe Acrobat and Reader, Flash Player Unspecified Vulnerability

Adobe Acrobat and Reader and Adobe Flash Player allows remote attackers to execute code or cause denial-of-service (DoS).

Record: CVE-2009-1862
Weakness: CWE-94
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`flash-plugin` Red Hat:rhel_extras:5::client From an advisory covering 9 CVEs	before 0:10.0.32.18-2.el5	0:10.0.32.18-2.el5
`flash-plugin` Red Hat:rhel_extras:5::server From an advisory covering 9 CVEs	before 0:10.0.32.18-2.el5	0:10.0.32.18-2.el5
`flash-plugin` Red Hat:rhel_extras:3 From an advisory covering 9 CVEs	before 0:9.0.246.0-2.el3.with.oss	0:9.0.246.0-2.el3.with.oss
`flash-plugin` Red Hat:rhel_extras:4 From an advisory covering 9 CVEs	before 0:9.0.246.0-2.el4	0:9.0.246.0-2.el4

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-1862 is a high vulnerability (CVSS 7.8) in Adobe Acrobat, published July 23, 2009. CISA lists it as known to be exploited, since June 8, 2022. EUVD reports exploitation since June 8, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 21.2%, the 97th percentile. No source names a fixed version.

References

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