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 remotely, resulting in denial of service. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an unauthenticated attacker to cause denial of service by consuming excessive system resources via HTTP/2 requests, impacting availability of the affected Windows 10 Version 1607 system. There is no impact on confidentiality or integrity. 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 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
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 remotely, resulting in denial of service. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an unauthenticated attacker to cause denial of service by consuming excessive system resources via HTTP/2 requests, impacting availability of the affected Windows 10 Version 1607 system. There is no impact on confidentiality or integrity. 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 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: 6/9/2026, 5:27:51 PM
Last enriched: 6/9/2026, 5:40:46 PM
Last updated: 6/10/2026, 6:44:23 AM
Views: 10
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