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PatchSiren cyber security CVE debrief

CVE-2014-4077 Microsoft CVE debrief

CVE-2014-4077 is a Microsoft Input Method Editor (IME) Japanese privilege escalation vulnerability. CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-25 and set a remediation due date of 2022-06-15, which signals that defenders should treat it as a high-priority issue. Based on the supplied official records, the safest response is to apply the vendor-recommended update path and verify remediation on affected systems.

Vendor
Microsoft
Product
Input Method Editor (IME) Japanese
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-05-25
Original CVE updated
2022-05-25
Advisory published
2022-05-25
Advisory updated
2022-05-25

Who should care

Windows endpoint and workstation administrators, security operations teams, and organizations that use or support Microsoft Japanese IME on managed devices.

Technical summary

The official records identify the issue as a privilege escalation vulnerability affecting Microsoft Input Method Editor (IME) Japanese. The supplied corpus does not include deeper technical mechanics, but CISA's KEV listing confirms it is a known exploited vulnerability and directs organizations to apply updates per vendor instructions.

Defensive priority

High. Because the vulnerability is listed in CISA KEV, remediation should be prioritized ahead of routine patch queues, especially on systems where IME-related functionality is present or where local privilege escalation would be consequential.

Recommended defensive actions

  • Apply Microsoft updates or mitigation guidance referenced by the vendor for CVE-2014-4077 as soon as possible.
  • Verify whether any managed systems use the Japanese IME component and include them in expedited remediation.
  • Use CISA KEV due-date tracking to confirm completion by the stated remediation deadline.
  • Prioritize systems with elevated user privileges, broad access, or sensitive data until remediation is complete.
  • Validate patch deployment and monitor for endpoints that remain unpatched.

Evidence notes

The supplied official evidence consists of the CVE record, the NVD detail page, and the CISA KEV catalog entry. CISA's KEV metadata names the vulnerability as a Microsoft IME Japanese privilege escalation issue, marks it as a known exploited vulnerability, and includes the instruction 'Apply updates per vendor instructions.' No additional technical detail or exploit narrative is present in the provided corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2014-4077 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2014-4077

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2014-4077 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2014-4077

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.