PatchSiren cyber security CVE debrief
CVE-2026-83925 Microsoft CVE debrief
A Windows Kernel Information Disclosure Vulnerability exists due to the use of an uninitialized resource in the Windows Kernel. This allows an authorized attacker to disclose information locally. Multiple Windows versions and configurations are affected, including Windows 10, Windows 11, and Windows Server editions. The vulnerability requires attention from system administrators and security teams managing affected Windows systems. The vulnerability allows an authorized attacker to disclose information locally, emphasizing the need for prompt patching and verification of system configurations. System administrators and security teams responsible for Windows systems, especially ...
- Vendor
- Microsoft
- Product
- Windows 10 Version 1607
- CVSS
- MEDIUM 4.7
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-13
- Original CVE updated
- 2026-10-14
- Advisory published
- 2026-10-13
- Advisory updated
- 2026-10-14
Who should care
System administrators and security teams responsible for Windows systems, especially those managing Windows 10, Windows 11, and Windows Server environments.
Why it matters
The Windows Kernel Information Disclosure Vulnerability requires attention from system administrators and security teams managing affected Windows systems. The vulnerability allows an authorized attacker to disclose information locally, emphasizing the need for prompt patching and verification of system configurations.
- Potential information disclosure on affected systems
- Requires verification of system configurations and inventory
- Patching is necessary to mitigate the vulnerability
Technical summary
The vulnerability exists in the Windows Kernel due to the use of an uninitialized resource. An authorized attacker can exploit this to disclose information locally. The vulnerability affects multiple Windows versions, including Windows 10, Windows 11, and Windows Server editions.
Defensive priority
Medium priority for patching and verification
Recommended defensive actions
- Apply patches from Microsoft for affected Windows versions
- Verify system configurations and inventory for affected systems
- Monitor system logs for potential information disclosure attempts
Evidence notes
The CVE Program and NVD provide official records of the vulnerability. Microsoft has released a patch for the vulnerability. The vulnerability exists in the Windows Kernel due to the use of an uninitialized resource. An authorized attacker can exploit this to disclose information locally. The vulnerability affects multiple Windows versions, including Windows 10, Windows 11, and Windows Server editions. The CVE record was published on 2026-10-13T19:01:03.148Z and has not been modified.
Sources and references
Verified primary and authoritative sources
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CVE-2026-83925 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-83925
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-83925 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-83925
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Windows Kernel Information Disclosure Vulnerability
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/83xxx/CVE-2026-83925.json
cve_program_cvelist_v5
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Source reference
Unverified legacy reference
URL: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83925
Supplemental source - vendor-advisory, patch
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.