5.5

CVE-2026-42915

Medienbericht

Windows TCP/IP Denial of Service Vulnerability

Incorrect calculation of buffer size in Windows VMSwitch allows an authorized attacker to deny service locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 21h2 HwPlatform arm64 Version < 10.0.19044.7417
Microsoft ≫ Windows 10 21h2 HwPlatform x64 Version < 10.0.19044.7417
Microsoft ≫ Windows 10 21h2 HwPlatform x86 Version < 10.0.19044.7417
Microsoft ≫ Windows 10 22h2 HwPlatform arm64 Version < 10.0.19045.7417
Microsoft ≫ Windows 10 22h2 HwPlatform x64 Version < 10.0.19045.7417
Microsoft ≫ Windows 10 22h2 HwPlatform x86 Version < 10.0.19045.7417
Microsoft ≫ Windows 11 23h2 HwPlatform arm64 Version < 10.0.22631.7219
Microsoft ≫ Windows 11 23h2 HwPlatform x64 Version < 10.0.22631.7219
Microsoft ≫ Windows 11 24h2 HwPlatform arm64 Version < 10.0.26100.8655
Microsoft ≫ Windows 11 24h2 HwPlatform x64 Version < 10.0.26100.8655
Microsoft ≫ Windows 11 25h2 HwPlatform arm64 Version < 10.0.26200.8655
Microsoft ≫ Windows 11 25h2 HwPlatform x64 Version < 10.0.26200.8655
Microsoft ≫ Windows 11 26h1 HwPlatform arm64 Version < 10.0.28000.2269
Microsoft ≫ Windows 11 26h1 HwPlatform x64 Version < 10.0.28000.2269
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.5256
Microsoft ≫ Windows Server 2025 HwPlatform x64 Version < 10.0.26100.32995
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.38% 0.299
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-131 Incorrect Calculation of Buffer Size

The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.

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VulnDex Intel
Media Report
10.06.2026 18:13
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VulnDex Intel
Media Report
09.06.2026 20:12
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42915
Vendor Advisory