PT-2026-32871 · Microsoft · Http.Sys+1

Milad Nasr · Published 2026-04-14 · Updated 2026-04-17 · CVE-2026-33096

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Windows HTTP.sys (affected versions not specified)

Description An out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to cause a denial of service over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2026-05298

CVE-2026-33096

Affected Products

Http.Sys

Windows

References · 7

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-33096 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33096 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33096 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-33096 · Security Note
• https://bdu.fstec.ru/vul/2026-05298 · Security Note
• https://twitter.com/CVEnew/status/2045112929503326655 · Twitter Post
• https://twitter.com/vicariusltd/status/2045202751055868308 · Twitter Post