CVE-2026-40405

Опубликовано: 12 мая 2026

Источник: msrc

CVSS3: 7.5

EPSS Низкий

Описание

Windows TCP/IP Denial of Service Vulnerability

Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.

Продукт	Статья	Обновление
Windows 11 Version 24H2 for ARM64-based Systems	5089549 5089466	Security Update Security Hotpatch Update
Windows 11 Version 24H2 for x64-based Systems	5089549 5089466	Security Update Security Hotpatch Update
Windows Server 2025	5087539 5087423	Security Update Security Hotpatch Update
Windows Server 2025 (Server Core installation)	5087539 5087423	Security Update Security Hotpatch Update
Windows 11 Version 25H2 for ARM64-based Systems	5089549 5089466	Security Update Security Hotpatch Update
Windows 11 Version 25H2 for x64-based Systems	5089549 5089466	Security Update Security Hotpatch Update
Windows 11 version 26H1 for x64-based Systems	5089548	Security Update
Windows 11 Version 26H1 for ARM64-based Systems	5089548	Security Update

Показывать по

Publicly Disclosed

Exploited

Latest Software Release

Exploitation Less Likely

EPSS

Процентиль: 62%

0.01078

Низкий

7.5 High

CVSS3

CVE-2026-40405

CVSS3: 7.5

nvd

3 месяца назад

Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.

GHSA-mj3g-9j9x-c556

CVSS3: 7.5

github

3 месяца назад

Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.

BDU:2026-06801

CVSS3: 7.5

fstec

3 месяца назад

Уязвимость реализации протокола TCP/IP операционных систем Windows, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 62%

0.01078

Низкий

7.5 High

CVSS3