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CVE-2026-45586 Microsoft CVE debrief

CVE-2026-45586 is a HIGH severity vulnerability in Windows Collaborative Translation Framework. The vulnerability is caused by improper link resolution before file access, also known as 'link following'. An authorized attacker can exploit this vulnerability to elevate privileges locally. The vulnerability has a CVSS score of 7.8.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-11
Advisory published
2026-06-09
Advisory updated
2026-06-11

Who should care

Administrators and users of Windows Collaborative Translation Framework should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by improper link resolution before file access in Windows Collaborative Translation Framework. This allows an authorized attacker to elevate privileges locally.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates provided by Microsoft to fix the vulnerability.
  • Refer to the vendor advisory for more information: resourceLinkAnnotations.ref-4

Evidence notes

The vulnerability is documented in the CVE record: resourceLinkAnnotations.cve-org and the NVD detail page: resourceLinkAnnotations.nvd

Sources and references

Verified primary and authoritative sources

  • CVE-2026-45586 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-45586

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

  • CVE-2026-45586 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-45586

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

Supplemental references

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.