CVE-2026-33096

HighCVSS 7.5/10Last modified Oct 14, 2026

Description

Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

VendorProductVersions
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.6936
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.6936
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.8246
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.8246
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.1836
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5020
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)>= 10.0.25398.0, < 10.0.25398.2274
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.32690
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.32690

References

Timeline

Published
Apr 14, 2026
Last modified
Oct 14, 2026
NVD status
Analyzed

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CVE-2026-33096: High severity, CVSS 7.5 | Vulnix