CVE-2026-56647: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607
Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow or wraparound condition within the Windows Remote Access Service Infrastructure on Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker can exploit this flaw remotely to elevate privileges, potentially gaining higher access rights than intended. Microsoft has published an official fix addressing this issue.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges remotely over the network, potentially leading to full system compromise or unauthorized administrative actions. The CVSS score of 8.8 reflects high impact on confidentiality, integrity, and availability.
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-2026-56647 to remediate this vulnerability.
CVE-2026-56647: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607
Description
Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow or wraparound condition within the Windows Remote Access Service Infrastructure on Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker can exploit this flaw remotely to elevate privileges, potentially gaining higher access rights than intended. Microsoft has published an official fix addressing this issue.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges remotely over the network, potentially leading to full system compromise or unauthorized administrative actions. The CVSS score of 8.8 reflects high impact on confidentiality, integrity, and availability.
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-2026-56647 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-22T15:17:38.796Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56647","vendor":"Microsoft"}]
Threat ID: 6a5676bc68715ace43f0af67
Added to database: 07/14/2026, 17:49:48 UTC
Last enriched: 08/13/2026, 15:51:49 UTC
Last updated: 08/28/2026, 22:52:12 UTC
Views: 65
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