CVE-2026-69819: CWE-787: Out-of-bounds Write in Microsoft Windows 10 Version 1607
CVE-2026-69819 is a critical out-of-bounds write vulnerability in the RPC Runtime component of Microsoft Windows 10 Version 1607. This flaw allows an unauthorized attacker to execute code remotely over a network without user interaction or privileges. The vulnerability has a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-69819) involves an out-of-bounds write in the RPC Runtime of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw enables remote code execution by an unauthenticated attacker over the network. The vulnerability has been assigned a critical CVSS 3.1 score of 9.8 with attack vector network, low attack complexity, no privileges required, and no user interaction needed. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code remotely on affected Windows 10 Version 1607 systems, potentially leading to full system compromise including complete confidentiality, integrity, and availability loss.
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-2026-69819 to remediate this vulnerability.
CVE-2026-69819: CWE-787: Out-of-bounds Write in Microsoft Windows 10 Version 1607
Description
CVE-2026-69819 is a critical out-of-bounds write vulnerability in the RPC Runtime component of Microsoft Windows 10 Version 1607. This flaw allows an unauthorized attacker to execute code remotely over a network without user interaction or privileges. The vulnerability has a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-69819) involves an out-of-bounds write in the RPC Runtime of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw enables remote code execution by an unauthenticated attacker over the network. The vulnerability has been assigned a critical CVSS 3.1 score of 9.8 with attack vector network, low attack complexity, no privileges required, and no user interaction needed. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code remotely on affected Windows 10 Version 1607 systems, potentially leading to full system compromise including complete confidentiality, integrity, and availability loss.
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-2026-69819 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T22:50:31.851Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69819","vendor":"Microsoft"}]
Threat ID: 6aa04531acd9273b49fa9a17
Added to database: 09/08/2026, 17:26:09 UTC
Last enriched: 09/09/2026, 01:08:24 UTC
Last updated: 09/09/2026, 01:08:24 UTC
Views: 2
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