CVE-2026-69930: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-69930 is an out-of-bounds read vulnerability in the Windows DHCP Server component affecting multiple versions of Microsoft Windows 10, including Version 1607. This flaw allows an unauthorized attacker to disclose information over a network without requiring user interaction or privileges. The vulnerability has a medium severity rating with a CVSS score of 5.9. Microsoft has released official fixes addressing this issue in the affected versions.
CVSS v3.1
Score 5.9medium
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-125 (Out-of-bounds Read), exists in the Windows DHCP Server component of Microsoft Windows 10 Version 1607 and other specified versions. It allows an attacker to perform an out-of-bounds read, potentially disclosing sensitive information over a network. The vulnerability does not require privileges or user interaction and has been assigned a CVSS 3.1 base score of 5.9, indicating medium severity. Microsoft has published an official advisory and released patches to remediate the issue.
Potential Impact
An unauthorized attacker can exploit this vulnerability remotely over a network to disclose information from the affected system. The vulnerability does not allow for integrity or availability impact, only confidentiality is affected. There is no requirement for privileges or user interaction, increasing the risk of exploitation. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released official fixes for this vulnerability. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions to remediate this issue. Since an official fix is available, applying the patch is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T22:59:57.548Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69930","vendor":"Microsoft"}]
Threat ID: 6aa04537acd9273b49fa9ae6
Added to database: 09/08/2026, 17:26:15 UTC
Last enriched: 10/16/2026, 21:39:26 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 19
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