CVE-2026-49177: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
CVE-2026-49177 is an out-of-bounds read vulnerability in the Windows TCP/IP stack affecting Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an authorized local attacker to disclose information by reading memory outside the intended bounds. The vulnerability has a medium severity with a CVSS score of 5.5. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-49177) involves an out-of-bounds read condition in the TCP/IP implementation of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local privileges can exploit this flaw to read memory beyond the allocated buffer, potentially disclosing sensitive information. The issue is classified under CWE-125 (Out-of-bounds Read). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
The vulnerability allows an authorized local attacker to read memory outside the intended buffer boundaries in the Windows TCP/IP stack, resulting in information disclosure. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the Microsoft advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49177. Applying this patch will remediate the vulnerability.
CVE-2026-49177: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-49177 is an out-of-bounds read vulnerability in the Windows TCP/IP stack affecting Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an authorized local attacker to disclose information by reading memory outside the intended bounds. The vulnerability has a medium severity with a CVSS score of 5.5. An official fix is available from Microsoft.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-49177) involves an out-of-bounds read condition in the TCP/IP implementation of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local privileges can exploit this flaw to read memory beyond the allocated buffer, potentially disclosing sensitive information. The issue is classified under CWE-125 (Out-of-bounds Read). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
The vulnerability allows an authorized local attacker to read memory outside the intended buffer boundaries in the Windows TCP/IP stack, resulting in information disclosure. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the Microsoft advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49177. Applying this patch will remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-27T23:44:09.623Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49177","vendor":"Microsoft"}]
Threat ID: 6a56768c68715ace43f08bc7
Added to database: 07/14/2026, 17:49:00 UTC
Last enriched: 07/15/2026, 00:48:42 UTC
Last updated: 07/15/2026, 00:48:42 UTC
Views: 2
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