CVE-2026-83687: Windows Connected User Experiences and Telemetry Elevation of Privilege Vulnerability
Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
Other sources
Windows Connected User Experiences and Telemetry Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653
Event History
Frequently Asked Questions
Which systems should be assessed for exposure?
The affected software list includes Microsoft Windows 11, Microsoft Windows Server 2025, and Microsoft Windows Connected User Experiences and Telemetry.
What level of access does an attacker need to exploit this issue?
Exploitation requires local access and low-level privileges. The attack vector is local, so it is not described as remotely exploitable over the network.
Does exploitation require user interaction or appear straightforward to carry out?
No user interaction is required. However, the attack complexity is rated high, indicating exploitation requires conditions or steps beyond simple local access.