CVE-2026-58546: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-58546) affects Windows 10 Version 1607 (build 10.0.14393.0) and involves the use of an uninitialized resource within the Windows RDP implementation. Exploitation could allow an unauthorized attacker to disclose sensitive information over a network connection. The vulnerability is classified under CWE-908 (Use of Uninitialized Resource). Microsoft has published an official fix to remediate this issue.
Potential Impact
An attacker who exploits this vulnerability can gain unauthorized access to information over the network via the RDP service. The impact is limited to confidentiality loss; integrity and availability are not affected. There are no known exploits in the wild at this time.
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-2026-58546 to remediate this vulnerability.
CVE-2026-58546: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Description
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-58546) affects Windows 10 Version 1607 (build 10.0.14393.0) and involves the use of an uninitialized resource within the Windows RDP implementation. Exploitation could allow an unauthorized attacker to disclose sensitive information over a network connection. The vulnerability is classified under CWE-908 (Use of Uninitialized Resource). Microsoft has published an official fix to remediate this issue.
Potential Impact
An attacker who exploits this vulnerability can gain unauthorized access to information over the network via the RDP service. The impact is limited to confidentiality loss; integrity and availability are not affected. There are no known exploits in the wild at this time.
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-2026-58546 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-01T04:33:41.870Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58546","vendor":"Microsoft"}]
Threat ID: 6a5676c268715ace43f0b1a5
Added to database: 07/14/2026, 17:49:54 UTC
Last enriched: 08/13/2026, 16:05:08 UTC
Last updated: 08/28/2026, 22:52:12 UTC
Views: 65
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