Is CVE-2009-3953 in the CISA KEV catalog?

Yes. CVE-2009-3953 is on the CISA Known Exploited Vulnerabilities list, added 2022-06-08.

What is the CVSS severity of CVE-2009-3953?

CVE-2009-3953 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2009-3953?

CVE-2009-3953 has an EPSS score of 83.86% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-3953?

Upgrade Adobe Acrobat 2020 to 8.2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2009-3953

HIGHCISA KEVEPSS 100th pctl

8.8

CVSS v3

NVD

Description

The U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, 8.x before 8.2 on Windows and Mac OS X, and 7.x before 7.1.4 allows remote attackers to execute arbitrary code via malformed U3D data in a PDF document, related to a CLODProgressiveMeshDeclaration "array boundary issue," a different vulnerability than CVE-2009-2994.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

Adobe Acrobat 2020Windows application

Affected:8.0 8.2Fixed in:8.2

Affected:9.0 9.3Fixed in:9.3

Affected:7.0 7.1.4Fixed in:7.1.4

Adobe Acrobat ProWindows application

Affected:9.0 9.3Fixed in:9.3

Affected:8.0 8.2Fixed in:8.2

Affected:7.0 7.1.4Fixed in:7.1.4

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

83.86%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Adobe Acrobat and Reader Universal 3D Remote Code Execution Vulnerability

Adobe Acrobat and Reader contains an array boundary issue in Universal 3D (U3D) support that could lead to remote code execution.

Apply updates per vendor instructions.

Remediation due: 2022-06-22

References

Patch1

adobe.com

Vendor Advisory1

vupen.com

Third-Party Advisory6

Government Resource1

cisa.gov

Issue Tracking1

bugzilla.redhat.com

Other references5

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.