CVE-2026-62783: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-62783, involves a heap-based buffer overflow in the Windows Remote Access Connection Manager on Windows 10 Version 1809 (build 10.0.17763.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to elevation of privileges, allowing an attacker to gain higher-level permissions on the system. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this heap-based buffer overflow to elevate privileges, potentially gaining higher-level access on the affected Windows 10 Version 1809 system. This could compromise system integrity and confidentiality.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the provided security update from the Microsoft Security Response Center to remediate this issue.
CVE-2026-62783: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Description
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-62783, involves a heap-based buffer overflow in the Windows Remote Access Connection Manager on Windows 10 Version 1809 (build 10.0.17763.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to elevation of privileges, allowing an attacker to gain higher-level permissions on the system. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this heap-based buffer overflow to elevate privileges, potentially gaining higher-level access on the affected Windows 10 Version 1809 system. This could compromise system integrity and confidentiality.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the provided security update from the Microsoft Security Response Center to remediate this issue.
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-2026-62783","vendor":"Microsoft"}]
Threat ID: 6a7b5816bf8831d539155f1f
Added to database: 08/11/2026, 17:12:54 UTC
Last enriched: 08/11/2026, 21:42:32 UTC
Last updated: 08/12/2026, 03:21:08 UTC
Views: 4
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