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Windows TCP/IP Remote Code Execution Vulnerability

🗓️ 12 May 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 10 Views

The Windows TCP/IP use-after-free vulnerability allows remote code execution over a network.

Related
Detection
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-40415
12 May 202616:58
–attackerkb
Information Security Automation		May Microsoft Patch Tuesday
19 May 202608:00
–avleonov
Circl		CVE-2026-40415
12 May 202615:52
–circl
CNNVD		Microsoft Windows TCP/IP 资源管理错误漏洞
12 May 202600:00
–cnnvd
CVE		CVE-2026-40415
12 May 202616:58
–cve
Cvelist		CVE-2026-40415 Windows TCP/IP Remote Code Execution Vulnerability
12 May 202616:58
–cvelist
EUVD		EUVD-2026-29672
12 May 202618:30
–euvd
Microsoft KB		May 12, 2026—KB5087420 (OS Build 22631.7079)
12 May 202614:00
–mskb
Microsoft KB		May 12, 2026—Hotpatch KB5087423 (OS Build 26100.32772)
12 May 202614:00
–mskb
Microsoft KB		May 12, 2026—Hotpatch KB5087424 (OS Build 20348.5074)
12 May 202614:00
–mskb
Rows per page
Vulners
Node
microsoftwindows_11_24h2Range<10.0.26100.8457x64
OR
microsoftwindows_11_24h2Range<10.0.26100.8390x64
OR
microsoftwindows_11_24h2Range<10.0.26100.8457x64
OR
microsoftwindows_11_24h2Range<10.0.26100.8390x64
OR
microsoftwindows_server_23h2Range<10.0.25398.2330
OR
microsoftwindows_11_23h2Range<10.0.22631.7079x64
OR
microsoftwindows_11_23h2Range<10.0.22631.7079x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8457x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8390x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8457x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8390x64
OR
microsoftwindows_server_2025Range<10.0.26100.32860
OR
microsoftwindows_server_2025Range<10.0.26100.32772
OR
microsoftwindows_10_22h2Range<10.0.19045.7291x86
OR
microsoftwindows_10_22h2Range<10.0.19045.7291x64
OR
microsoftwindows_10_22h2Range<10.0.19045.7291x64
OR
microsoftwindows_10_21h2Range<10.0.19044.7291x64
OR
microsoftwindows_10_21h2Range<10.0.19044.7291x64
OR
microsoftwindows_10_21h2Range<10.0.19044.7291x86
OR
microsoftwindows_server_2022Range<10.0.20348.5139
OR
microsoftwindows_server_2022Range<10.0.20348.5074
OR
microsoftwindows_server_2022Range<10.0.20348.5139
OR
microsoftwindows_server_2022Range<10.0.20348.5074
OR
microsoftwindows_11_26h1Range<10.0.28000.2113x64
OR
microsoftwindows_11_26h1Range<10.0.28000.2113x64
OR
microsoftwindows_server_2025Range<10.0.26100.32860
OR
microsoftwindows_server_2025Range<10.0.26100.32772
OR
microsoftwindows_server_2019Range<10.0.17763.8755
OR
microsoftwindows_server_2019Range<10.0.17763.8755
OR
microsoftwindows_10_1809Range<10.0.17763.8755x64
OR
microsoftwindows_10_1809Range<10.0.17763.8755x86

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12 May 2026 14:00Current
6Medium risk
Vulners AI Score6
CVSS 3.18.1
EPSS0.00091
SSVC
windows tcp ipuse after freeremote code executionvulnerability
10