Описание
HTTP.sys Denial of Service Vulnerability
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
FAQ
What actions should I take to help protect my devices from this vulnerability?
Install the June 2026 Windows security updates listed in the Security Updates table. These updates enable the protections Microsoft released for this CVE.
As part of these updates, Microsoft also introduced a new MaxHeadersCount registry setting. This setting allows you to limit the number of headers included in HTTP/2 and HTTP/3 requests that are accepted by the HTTP server. For more information, see KB5102602.
Обновления
| Продукт | Статья | Обновление |
|---|---|---|
| Windows Server 2016 | ||
| Windows 10 Version 1607 for 32-bit Systems | ||
| Windows 10 Version 1607 for x64-based Systems | ||
| Windows Server 2016 (Server Core installation) | ||
| Windows 10 Version 1809 for 32-bit Systems | ||
| Windows 10 Version 1809 for x64-based Systems | ||
| Windows Server 2019 | ||
| Windows Server 2019 (Server Core installation) | ||
| Windows Server 2022 | ||
| Windows Server 2022 (Server Core installation) |
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Возможность эксплуатации
Publicly Disclosed
Exploited
Latest Software Release
EPSS
7.5 High
CVSS3
Связанные уязвимости
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
Уязвимость драйвера HTTP.sys операционных систем Windows, позволяющая нарушителю вызвать отказ в обслуживании
EPSS
7.5 High
CVSS3