CVE-2011-3402
Confirmed PUBLISHEDUnspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows...
5324 days faster than CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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."
- CVE Published
- Nov 04, 2011
- Exploitation Reported
- Nov 04, 2011
- CVSS
- 8.8 High
- EPSS
- 78.3%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- MS11-087 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- MS12-034 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- MS12-039 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- 49121 secunia.com · Third-Party Advisory http://secunia.com/advisories/49121
- TA12-164A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA12-164A.html
Show 15 more references
- 49122 secunia.com · Third-Party Advisory http://secunia.com/advisories/49122
- TA11-347A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA11-347A.html
- TA12-129A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA12-129A.html
- oval:org.mitre.oval:def:15645 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
- 1027039 securitytracker.com · VDB Entry http://www.securitytracker.com/id?1027039
- oval:org.mitre.oval:def:13998 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
- oval:org.mitre.oval:def:15290 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
- blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2... blogs.mcafee.com · CVE Record http://blogs.mcafee.com/mcafee-labs/the-day-of-the-golden-jackal-%E2%...
- symantec.com/content/en/us/enterprise/media/security_resp... symantec.com · CVE Record http://www.symantec.com/content/en/us/enterprise/media/security_respo...
- us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf us-cert.gov · CVE Record http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-291-01E.pdf
- securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two securelist.com · CVE Record http://www.securelist.com/en/blog/208193197/The_Mystery_of_Duqu_Part_Two
- technet.microsoft.com/security/advisory/2639658 technet.microsoft.com · CVE Record http://technet.microsoft.com/security/advisory/2639658
- isc.sans.edu/diary/Duqu+Mitigation/11950 isc.sans.edu · CVE Record http://isc.sans.edu/diary/Duqu+Mitigation/11950
- symantec.com/connect/w32-duqu_status-updates_installer-ze... symantec.com · CVE Record http://www.symantec.com/connect/w32-duqu_status-updates_installer-zer...
- blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases... blogs.technet.com · CVE Record http://blogs.technet.com/b/msrc/archive/2011/11/03/microsoft-releases...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2011-11-04 21:00 UTC |
| CISA | 2026-06-02 14:05 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2011-11-04 21:00:00 UTC · CVE
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
14:05 UTC about 2 months ago14:05 UTC · about 2 months ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
21:00 UTC over 14 years ago21:00 UTC · over 14 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
21:00 UTC over 14 years ago21:00 UTC · over 14 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 15 years ago00:00 UTC · almost 15 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2011-3402
{
"cve_id": "CVE-2011-3402",
"title": "Unspecified vulnerability in the TrueType font parsing engine in win32k.sys i...",
"affected_vendor": "Microsoft",
"affected_product": "Windows",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 8.8,
"epss_score": 0.78285,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}