AEGLIX vulnerability intelligence
CVE-2011-3402
HIGH · CVSS 8.8 · Analyzed
Published: 2011-11-04 · Updated: 2026-06-16 · Source: NVD
Vulnerability overview
Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page, as exploited in the wild in November 2011 by Duqu, aka "TrueType Font Parsing Vulnerability."
Severity and scoring
- CVSS score
- 8.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- NVD-CWE-noinfo
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Microsoft · Windows
- Added to catalog
- 2025-10-06
- 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.
- CISA remediation due date
- 2025-10-27
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files
Broken Link
- http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx
Vendor Advisory
- http://isc.sans.edu/diary/Duqu+Mitigation/11950
Third Party Advisory
- http://secunia.com/advisories/49121
Vendor Advisory
- http://secunia.com/advisories/49122
Vendor Advisory
- http://technet.microsoft.com/security/advisory/2639658
Vendor Advisory
- http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two
Not Applicable
- http://www.securitytracker.com/id?1027039
Broken Link
- http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploit
Not Applicable
- http://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdf
Not Applicable
- http://www.us-cert.gov/cas/techalerts/TA11-347A.html
US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-129A.html
US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-164A.html
US Government Resource
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf
US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087
Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034
Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039
Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13998
Broken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15290
Broken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15645
Broken Link
- http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%80%93-further-tales-of-the-stuxnet-files
Broken Link
- http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases-security-advisory-2639658.aspx
Vendor Advisory
- http://isc.sans.edu/diary/Duqu+Mitigation/11950
Third Party Advisory
- http://secunia.com/advisories/49121
Vendor Advisory
- http://secunia.com/advisories/49122
Vendor Advisory
- http://technet.microsoft.com/security/advisory/2639658
Vendor Advisory
- http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two
Not Applicable
- http://www.securitytracker.com/id?1027039
Broken Link
- http://www.symantec.com/connect/w32-duqu_status-updates_installer-zero-day-exploit
Not Applicable
- http://www.symantec.com/content/en/us/enterprise/media/security_response/whitepapers/w32_duqu_the_precursor_to_the_next_stuxnet.pdf
Not Applicable
- http://www.us-cert.gov/cas/techalerts/TA11-347A.html
US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-129A.html
US Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-164A.html
US Government Resource
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf
US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087
Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-034
Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039
Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13998
Broken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15290
Broken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15645
Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-3402
US Government Resource