PT-2026-70552 · Microsoft · Http.Sys+1
CVE-2026-62811
·
Published
2026-08-11
·
Updated
2026-08-13
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
A heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. A heap-based buffer overflow occurs when a program writes more data to a heap memory buffer than it can hold, potentially leading to memory corruption.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Heap Based Buffer Overflow
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Http.Sys
Windows