PT-2026-70502 · Microsoft · Http.Sys+1
CVE-2026-62741
·
Published
2026-08-11
·
Updated
2026-08-16
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Windows HTTP.sys (affected versions not specified)
Description
An integer underflow (wrap or wraparound) occurs in Windows HTTP.sys, which is the kernel-mode driver that handles HTTP requests. This flaw allows an authorized attacker to elevate privileges locally and affect the system.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Heap Based Buffer Overflow
Integer Underflow
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Related Identifiers
Affected Products
Http.Sys
Windows