7.8

CVE-2026-21232

Windows HTTP.sys Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 11 23h2 HwPlatform arm64 Version < 10.0.22631.6649
Microsoft ≫ Windows 11 23h2 HwPlatform x64 Version < 10.0.22631.6649
Microsoft ≫ Windows 11 24h2 HwPlatform arm64 Version < 10.0.26100.7781
Microsoft ≫ Windows 11 24h2 HwPlatform x64 Version < 10.0.26100.7781
Microsoft ≫ Windows 11 25h2 HwPlatform arm64 Version < 10.0.26200.7781
Microsoft ≫ Windows 11 25h2 HwPlatform x64 Version < 10.0.26200.7781
Microsoft ≫ Windows Server 2022 23h2 Version < 10.0.25398.2149
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.32313
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.42% 0.332
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-822 Untrusted Pointer Dereference

The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21232
Vendor Advisory