CVE intelligence

CVE-2026-33096

Vulnerability intelligence

Published Apr 14, 2026Sources checked Nov 11, 2026

7.5HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-33096 and is rated High severity with a CVSS score of 7.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Apr 14, 2026

Vendor remediation details

Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors might help in your situation: Caution Follow these steps carefully. Serious problems might occur if you modify the registry incorrectly. To disable HTTP/3, remove the following registry value Install KB5083768. Install KB5082142. Install KB5082063. Install KB5083769. Install KB5082052. Install KB5082060.

Vendor-listed releases

10.0.28000.1836
10.0.20348.5020
10.0.26100.32690
10.0.26200.8246
10.0.22631.6936
10.0.25398.2274
10.0.26100.8246

CISA KEVNot listedBased on the latest collected catalog

EPSS1.2%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-33096?

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

Source: NVD