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PatchSiren cyber security CVE debrief

CVE-2026-70137 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-10-13T19:00:24.521Z and has not been modified since then. The NVD entry is currently MEDIUM. Defenders responsible for Windows systems, particularly those using Remote Access Connection Manager, should assess exposure and apply patches to prevent local information disclosure. The vulnerability has an improper access control issue, allowing authorized attackers to disclose information locally. Multiple Windows versions are affected, including Windows 10, Windows 11, and Windows Server. The CVE Program record and NVD vulnerability detail provide information on the Windows Remote

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-13
Original CVE updated
2026-10-13
Advisory published
2026-10-13
Advisory updated
2026-10-13

Who should care

Defenders responsible for Windows systems, particularly those using Remote Access Connection Manager, should assess exposure and apply patches to prevent local information disclosure.

Why it matters

Defenders should prioritize verifying exposure in Windows Remote Access Connection Manager and applying patches, as improper access control allows authorized attackers to disclose information locally.

  • Verify exposure in Windows Remote Access Connection Manager
  • Apply patches to prevent local information disclosure
  • Monitor for potential information disclosure attempts

Technical summary

The Windows Remote Access Connection Manager has an improper access control vulnerability, allowing authorized attackers to disclose information locally. Multiple Windows versions are affected, including Windows 10, Windows 11, and Windows Server. The vulnerability can be exploited by an authorized attacker to gain access to sensitive information. The CVE Program record and NVD vulnerability detail provide information on the Windows Remote Access Connection Manager Information Disclosure Vulnerability. Microsoft's official advisory indicates a patch is available.

Defensive priority

Defenders should prioritize verifying exposure in Windows Remote Access Connection Manager and applying patches, as improper access control allows authorized attackers to disclose information locally.

Recommended defensive actions

  • Verify exposure in Windows Remote Access Connection Manager
  • Apply patches from Microsoft
  • Monitor for local information disclosure attempts

Evidence notes

The CVE Program record and NVD vulnerability detail provide information on the Windows Remote Access Connection Manager Information Disclosure Vulnerability. Microsoft's official advisory is referenced, indicating a patch is available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-70137 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-70137

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

  • CVE-2026-70137 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-70137

    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.