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PatchSiren cyber security CVE debrief

CVE-2026-96247 Microsoft CVE debrief

A Windows Kernel-Mode Drivers Information Disclosure Vulnerability exists, allowing an authorized local attacker to disclose information. Multiple Windows versions are affected, including Windows 10, Windows 11, and Windows Server. The vulnerability is caused by the use of uninitialized resource in Windows Kernel-Mode Drivers. Defenders should assess exposure and apply patches. The CVSS score is 5.5, with a medium severity rating. The vulnerability can be exploited locally, and defenders should prioritize patching and verifying system configurations to prevent potential local information disclosure.

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 and administrators of Windows systems, particularly those managing Windows 10, Windows 11, and Windows Server environments, should assess exposure and apply patches.

Why it matters

CVE-2026-96247 is a medium-severity information disclosure vulnerability in Windows Kernel-Mode Drivers. Defenders should prioritize patching and verifying system configurations to prevent potential local information disclosure.

  • Local information disclosure possible for authorized attackers
  • Patching required for affected Windows versions
  • Verification of system configurations and update management processes necessary

Technical summary

The vulnerability exists in Windows Kernel-Mode Drivers, allowing an authorized local attacker to disclose information. The CVSS score is 5.5, with a medium severity rating. The vulnerability can be exploited locally, and defenders should prioritize patching and verifying system configurations to prevent potential local information disclosure. The vulnerability is caused by the use of uninitialized resource in Windows Kernel-Mode Drivers.

Defensive priority

Medium priority for patching and verification

Recommended defensive actions

  • Apply patches from Microsoft for affected Windows versions
  • Verify system configurations and update management processes
  • Monitor system logs for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. Microsoft has released a patch for the vulnerability. The vulnerability exists in Windows Kernel-Mode Drivers, allowing an authorized local attacker to disclose information. The CVE record was published on 2026-10-13T19:00:32.384Z and has not been modified since then. The official CVE Program record and NVD detail page provide additional information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-96247 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-96247

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

  • CVE-2026-96247 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-96247

    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.