Is CVE-2009-3953 being actively exploited?

Yes. CVE-2009-3953 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on June 8, 2022.

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

CVE-2009-3953 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2009-3953

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 83.2%EU EUVD: exploited

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.

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
EPSS score: 83.2% (100th percentile)
In CISA KEV: Yes, added June 8, 2022
In EU EUVD: Yes (EUVD-2009-3924)
Published: January 13, 2010
NVD last modified: June 16, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Adobe Acrobat and Reader Universal 3D Remote Code Execution Vulnerability

Added to the KEV catalog on June 8, 2022; federal remediation due June 22, 2022.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3924 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.

View on the EU Vulnerability Database

Affected products

adobe / acrobat
apple / mac os x
microsoft / windows
opensuse / opensuse
opensuse / opensuse
suse / linux enterprise
suse / linux enterprise
suse / linux enterprise debuginfo

References

http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html(Mailing List, Third Party Advisory)
http://osvdb.org/61690(Broken Link)
http://secunia.com/advisories/38138(Broken Link)
http://secunia.com/advisories/38215(Broken Link)
http://www.adobe.com/support/security/bulletins/apsb10-02.html(Not Applicable, Patch, Vendor Advisory)
http://www.metasploit.com/modules/exploit/windows/fileformat/adobe_u3d_meshdecl(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0060.html(Broken Link)
http://www.securityfocus.com/bid/37758(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1023446(Broken Link, Third Party Advisory, VDB Entry)
http://www.us-cert.gov/cas/techalerts/TA10-013A.html(Third Party Advisory, US Government Resource)
http://www.vupen.com/english/advisories/2010/0103(Broken Link, Vendor Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=554293(Issue Tracking)
https://exchange.xforce.ibmcloud.com/vulnerabilities/55551(Third Party Advisory, VDB Entry)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8242(Broken Link)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-3953(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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