CVE-2026-33096

| EUVD-2026-22617 HIGH
2026-04-14 microsoft
Buffer Overflow Information Disclosure Microsoft Windows 11 Version 22H3 Windows 11 Version 23H2 Windows 11 Version 24H2 Windows 11 Version 25H2 Windows 11 Version 26H1 Windows Server 2022 Windows Server 2022 23H2 Edition Server Core Installation Windows Server 2025 Windows Server 2025 Server Core Installation
7.5
CVSS 3.1
Temporal: 6.5
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
Analysis Generated
Apr 14, 2026 - 19:23 vuln.today

DescriptionNVD

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

AnalysisAI

Denial of service in Windows HTTP.sys kernel-mode driver allows unauthenticated remote attackers to crash affected systems via malformed HTTP requests. Affects all currently supported Windows 11 versions (22H2 through 26H1) and Windows Server 2022/2025 editions. …

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RemediationAI

Within 24 hours: Inventory all Windows 11 (22H2-26H1) and Windows Server 2022/2025 systems exposed to network traffic; prioritize internet-facing web servers and edge systems. Within 7 days: Apply vendor-released patches to all affected systems, starting with production web servers and critical infrastructure; test patches in staging environments first. …

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CVE-2026-33096 vulnerability details – vuln.today
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