Security readout for executives and security teams
CVE-2011-3402 is a Microsoft Windows kernel font-parsing flaw. A malicious Word document or web page with crafted TrueType font data could let an attacker run code after user interaction. It was exploited by Duqu in 2011 and is flagged as known exploited in the provided source bundle. Exposure is most likely on legacy or unpatched Windows systems matching the listed versions, especially where users can open documents or browse web content. Modern systems are not identified as affected in the provided sources. Treat this as urgent where legacy Windows remains in production. The issue enables code execution through common document or web workflows and has documented exploitation. Priority drops only after confirming affected versions are absent or patched. Mitigation focus: Apply the Microsoft MS11-087 security update where applicable.; Identify and retire unsupported Windows versions listed in the CVE description.; Review Microsoft advisory 2639658 for vendor-provided guidance..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2011-3402 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:15645CVE reference · vdb-entry, signature
- MS11-087CVE reference · vendor-advisory, x_refsource_MS
- oval:org.mitre.oval:def:13998CVE reference · vdb-entry, signature
- MS12-034CVE reference · vendor-advisory, x_refsource_MS
- MS12-039CVE reference · vendor-advisory, x_refsource_MS
- oval:org.mitre.oval:def:15290CVE reference · vdb-entry, signature
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-3402CVE reference · government-resource
Products and packages named in the record
CWE details
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