CVE-2026-49160: CWE-400: Uncontrolled Resource Consumption in Microsoft Windows 10 Version 1607
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-49160) affects Microsoft Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-400 (Uncontrolled Resource Consumption). It arises from improper handling of HTTP/2 traffic, enabling an unauthenticated attacker to trigger excessive resource usage, resulting in denial of service. The CVSS 3.1 base score is 7.5, reflecting a network attack vector with low complexity and no privileges or user interaction required, impacting availability only. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
An attacker can exploit this vulnerability remotely without authentication or user interaction to cause a denial of service by exhausting resources related to HTTP/2 processing. This impacts system availability but does not affect confidentiality or integrity.
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-2026-49160 to remediate this vulnerability.
CVE-2026-49160: CWE-400: Uncontrolled Resource Consumption in Microsoft Windows 10 Version 1607
Description
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-49160) affects Microsoft Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-400 (Uncontrolled Resource Consumption). It arises from improper handling of HTTP/2 traffic, enabling an unauthenticated attacker to trigger excessive resource usage, resulting in denial of service. The CVSS 3.1 base score is 7.5, reflecting a network attack vector with low complexity and no privileges or user interaction required, impacting availability only. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
An attacker can exploit this vulnerability remotely without authentication or user interaction to cause a denial of service by exhausting resources related to HTTP/2 processing. This impacts system availability but does not affect confidentiality or integrity.
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-2026-49160 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-27T23:44:09.622Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49160","vendor":"Microsoft"}]
Threat ID: 6a284d178dd33fbd85665a0f
Added to database: 06/09/2026, 17:27:51 UTC
Last enriched: 07/29/2026, 22:09:35 UTC
Last updated: 07/31/2026, 19:30:14 UTC
Views: 109
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