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PatchSiren cyber security CVE debrief

CVE-2026-58522 Microsoft CVE debrief

CVE-2026-58522 is a relative path traversal vulnerability in Microsoft Edge for Android. An unauthorized attacker could exploit this to disclose information locally. The vulnerability has a CVSS score of 6.8 and a severity of MEDIUM. The CVE record was published on 2026-07-03T21:17:05.883Z and has not been modified since then. The NVD entry is currently Analyzed. Users of Microsoft Edge for Android should apply updates to prevent local information disclosure.

Vendor
Microsoft
Product
Microsoft Edge (Chromium-based)
CVSS
MEDIUM 6.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-03
Original CVE updated
2026-07-07
Advisory published
2026-07-03
Advisory updated
2026-07-07

Who should care

Users of Microsoft Edge for Android, security teams, and operators should be aware of this vulnerability and apply updates to prevent local information disclosure. The vulnerability has a CVSS score of 6.8 and a severity of MEDIUM.

Technical summary

CVE-2026-58522 is a relative path traversal vulnerability in Microsoft Edge for Android. An unauthorized attacker could exploit this to disclose information locally. The vulnerability has a CVSS score of 6.8 and a severity of MEDIUM. The vulnerability affects Microsoft Edge for Android, and users should apply updates to prevent local information disclosure.

Defensive priority

Apply updates to Microsoft Edge for Android to prevent local information disclosure. Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Recommended defensive actions

  • Apply updates to Microsoft Edge for Android
  • Monitor for unusual activity
  • Restrict access to sensitive data
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-03T21:17:05.883Z and has not been modified since then. The NVD entry is currently Analyzed. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The vulnerability has a CVSS score of 6.8 and a severity of MEDIUM. Users should be cautious of potential local information disclosure.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-58522 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-58522

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

  • CVE-2026-58522 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-58522

    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.