CVE-2026-69648: Windows Notification Elevation of Privilege Vulnerability
Use after free in Windows Notification allows an authorized attacker to elevate privileges locally.
Other sources
Windows Notification Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized on the affected Windows system and able to execute an attack locally. The provided information does not indicate that remote exploitation or user interaction is required.
Which systems should be assessed?
Assess Microsoft Windows 10, Windows 11, Windows Server 2022, and Windows Server 2025 systems. The affected-software list also includes Microsoft Windows generally, so organizations should verify all Windows deployments against the vendor guidance.
What level of impact could successful exploitation have?
Successful exploitation can elevate the attacker's privileges locally. The supplied severity vector indicates high impacts to confidentiality, integrity, and availability.