CVE-2026-88227 · Infrastructure
NO FIX YET
A heap-based buffer overflow in the Windows Local Security Authority Subsystem Service (LSASS) lets an authorized local attacker elevate their privileges. Successful exploitation gives the attacker control over a privileged system component on the same machine.
first public Nov 10, 2026 · 1 source
Could this affect your app?
Free first check from your website. Connect your repo for the full answer.
Any Windows machine where a user already has a local login can be affected, since the attacker must be authorized on the system first. Servers and multi-user workstations carry the most risk. unknown
Who cares lsass, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Heap-based buffer overflow in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.
This page as .md · .json · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
Check it with your coding agent
It reads this page and tells you if your code is affected.
Are you affected?
Ask from here. InfraStack checks the affected versions against your stack and answers in your inbox.
InfraStack checks the affected versions against your stack and answers in Slack, with the evidence and the fix.