CVE-2026-54997: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability involves the use of an uninitialized resource in the Windows SMB implementation in Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to disclose sensitive information. The CVSS 3.1 base score is 5.5, reflecting medium severity with high impact on confidentiality but no impact on integrity or availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can disclose sensitive information due to the use of an uninitialized resource in the SMB service. There is no impact on system integrity or availability. The vulnerability requires low attack complexity and low privileges but no user interaction. No known exploits are reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54997 to remediate this vulnerability.
CVE-2026-54997: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Description
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the use of an uninitialized resource in the Windows SMB implementation in Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to disclose sensitive information. The CVSS 3.1 base score is 5.5, reflecting medium severity with high impact on confidentiality but no impact on integrity or availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can disclose sensitive information due to the use of an uninitialized resource in the SMB service. There is no impact on system integrity or availability. The vulnerability requires low attack complexity and low privileges but no user interaction. No known exploits are reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54997 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:10:05.869Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54997","vendor":"Microsoft"}]
Threat ID: 6a566f7e68715ace43e6bc28
Added to database: 07/14/2026, 17:18:54 UTC
Last enriched: 08/13/2026, 15:26:12 UTC
Last updated: 08/26/2026, 11:03:42 UTC
Views: 61
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