7.8

CVE-2026-62811

Medienbericht

Windows HTTP.sys Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MicrosoftWindows 11 23h2 HwPlatformarm64 Version < 10.0.22631.7517
MicrosoftWindows 11 23h2 HwPlatformx64 Version < 10.0.22631.7517
MicrosoftWindows 11 24h2 HwPlatformarm64 Version < 10.0.26100.9106
MicrosoftWindows 11 24h2 HwPlatformx64 Version < 10.0.26100.9106
MicrosoftWindows 11 25h2 HwPlatformarm64 Version < 10.0.26200.9106
MicrosoftWindows 11 25h2 HwPlatformx64 Version < 10.0.26200.9106
MicrosoftWindows 11 26h1 HwPlatformarm64 Version < 10.0.28000.2704
MicrosoftWindows 11 26h1 HwPlatformx64 Version < 10.0.28000.2704
MicrosoftWindows Server 2022 Version < 10.0.20348.5440
MicrosoftWindows Server 2025 Version < 10.0.26100.33222
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.33% 0.262
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

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VulnDex Intel
Media Report
11.08.2026 20:25
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62811
Patch
Vendor Advisory