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CVE-2026-49787— Microsoft Windows HTTP.sys 资源管理错误漏洞

CVSS 7.5 · High EPSS 0.83% · P54

Affected Version Matrix 14

ベンダープロダクトVersion Rangeステータス
MicrosoftWindows 10 Version 160710.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows 10 Version 180910.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows 10 Version 21H210.0.19044.0< 10.0.19044.7548affected
MicrosoftWindows 10 Version 22H210.0.19045.0< 10.0.19045.7548affected
MicrosoftWindows 11 Version 24H210.0.26100.0< 10.0.26100.8875affected
MicrosoftWindows 11 Version 25H210.0.26200.0< 10.0.26200.8875affected
MicrosoftWindows 11 version 26H110.0.28000.0< 10.0.28000.2269affected
MicrosoftWindows Server 201610.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows Server 201910.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows Server 202210.0.20348.0< 10.0.20348.5386affected
MicrosoftWindows Server 202510.0.26100.0< 10.0.26100.33158affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0< 10.0.26100.33158affected
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I. CVE-2026-49787の基本情報

脆弱性情報

脆弱性についてご質問がありますか?Shenlongの分析が参考になるかご確認ください!
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脆弱性タイトル
HTTP.sys Denial of Service Vulnerability
ソース: NVD (National Vulnerability Database)
脆弱性説明
Allocation of resources without limits or throttling in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
ソース: NVD (National Vulnerability Database)
CVSS情報
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
不加限制或调节的资源分配
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Microsoft Windows HTTP.sys 资源管理错误漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Microsoft HTTP.sys是美国Microsoft公司的一个HTTP协议栈组件,主要用于处理HTTP请求,其他功能还包括请求解析、缓存管理和内核级数据转发。 Microsoft Windows HTTP.sys存在资源管理错误漏洞,该漏洞源于资源分配无限制或节流,可能导致未经授权的攻击者通过网络拒绝服务。以下版本受到影响:Windows 10 Version 1607 10.0.14393.9339之前版本、Windows 10 Version 1809 10.0.17763.9020之前版本、
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)

影響を受ける製品

ベンダープロダクト影響を受けるバージョンCPE購読
MicrosoftWindows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7548 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7548 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8875 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.8875 -
MicrosoftWindows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2269 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.5386 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.33158 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.33158 -

II. CVE-2026-49787の公開POC

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III. CVE-2026-49787のインテリジェンス情報

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CVE-2026-49787 厂商安全公告 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

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Showing 20 of 570 CVEs. View all on vendor page →

IV. 関連脆弱性

V. CVE-2026-49787へのコメント

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