Security readout for executives and security teams
This flaw let attackers use a crafted PDF to escape a Microsoft sandbox protection when Japanese IME was installed. The listed affected platforms are older Windows and Office versions. CISA KEV status and the CVE text support exploitation in the wild in 2014. Exposure is most likely on legacy Windows Server 2003, Vista, Server 2008, Windows 7, or Office 2007 SP3 systems with Japanese IME installed. Modern, fully migrated environments should have limited exposure, but legacy desktops and document-handling systems need confirmation. Prioritize remediation for any legacy affected system still handling documents or email. KEV inclusion raises urgency, but the business risk depends on whether those old Microsoft products and Japanese IME remain present. Mitigation focus: Apply Microsoft MS14-078 security updates where applicable.; Prioritize retirement or isolation of unsupported affected platforms.; Confirm Japanese IME exposure before risk accepting legacy systems..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupCVE-2014-4077 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- MS14-078CVE reference · vendor-advisory, x_refsource_MS
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4077CVE reference · government-resource
Products and packages named in the record
CWE details
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