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PatchSiren cyber security CVE debrief

CVE-2026-41107 Microsoft CVE debrief

Microsoft Edge (Chromium-based) vulnerability CVE-2026-41107 allows unauthorized attackers to disclose information over a network due to external control of file name or path. The CVE record was published on 2026-05-12T18:17:22.077Z and has not been modified since then. The NVD entry is currently Analyzed. Defenders responsible for managing and securing Microsoft Edge (Chromium-based) deployments should assess exposure and prioritize patching to prevent potential information disclosure. This vulnerability has a HIGH severity level and is caused by external control of file name or path, which can lead to potential information disclosure over a network.

Vendor
Microsoft
Product
Microsoft Edge (Chromium-based)
CVSS
HIGH 7.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-12
Original CVE updated
2026-10-26
Advisory published
2026-05-12
Advisory updated
2026-10-26

Who should care

Defenders responsible for managing and securing Microsoft Edge (Chromium-based) deployments should assess exposure and prioritize patching to prevent potential information disclosure.

Why it matters

CVE-2026-41107 is a HIGH-severity vulnerability in Microsoft Edge (Chromium-based) that allows external control of file name or path, leading to potential information disclosure over a network. Defenders should prioritize verifying and applying patches to prevent potential information disclosure.

  • Verify and apply patches to prevent potential information disclosure
  • Monitor for potential information disclosure attempts
  • Restrict access to sensitive files and paths

Technical summary

CVE-2026-41107 is a HIGH-severity vulnerability in Microsoft Edge (Chromium-based) that allows external control of file name or path, leading to potential information disclosure over a network. This vulnerability affects Microsoft Edge (Chromium-based) and has a CVSS score of 7.4. Defenders should prioritize verifying and applying patches to prevent potential information disclosure.

Defensive priority

Defenders should prioritize verifying and applying patches for Microsoft Edge (Chromium-based) to prevent potential information disclosure.

Recommended defensive actions

  • Verify and apply patches for Microsoft Edge (Chromium-based)
  • Monitor for potential information disclosure attempts
  • Restrict access to sensitive files and paths

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score and vector. A vendor advisory is also available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-41107 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-41107

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

  • CVE-2026-41107 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-41107

    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.