CVE-2026-62781: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62781) involves a heap-based buffer overflow in the RPC Runtime of Windows 10 Version 1607 (build 10.0.14393.0). An attacker can exploit this flaw remotely without privileges or user interaction to execute arbitrary code. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation could allow remote code execution with high impact on confidentiality, integrity, and availability. An attacker could run arbitrary code on the affected system remotely without requiring user interaction or privileges, potentially leading to full system compromise.
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-2026-62781 to remediate this vulnerability.
CVE-2026-62781: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62781) involves a heap-based buffer overflow in the RPC Runtime of Windows 10 Version 1607 (build 10.0.14393.0). An attacker can exploit this flaw remotely without privileges or user interaction to execute arbitrary code. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation could allow remote code execution with high impact on confidentiality, integrity, and availability. An attacker could run arbitrary code on the affected system remotely without requiring user interaction or privileges, potentially leading to full system compromise.
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-2026-62781 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:04:04.257Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62781","vendor":"Microsoft"}]
Threat ID: 6a7b5816bf8831d539155f19
Added to database: 08/11/2026, 17:12:54 UTC
Last enriched: 08/11/2026, 21:42:43 UTC
Last updated: 08/12/2026, 03:21:10 UTC
Views: 4
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