CVE-2026-68824: Connected User Experiences and Telemetry Elevation of Privilege Vulnerability

Severity: high (CVSS 7.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-08 · updated 2026-10-31
Weakness: CWE-362

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.

Affected products

Microsoft Windows 10: before 10.0.19044.7725 — fixed in 10.0.19044.7725
Microsoft Windows 10: before 10.0.19045.7725 — fixed in 10.0.19045.7725
Microsoft Windows 11: before 10.0.22631.7582 — fixed in 10.0.22631.7582
Microsoft Windows 11: before 10.0.26100.9445 — fixed in 10.0.26100.9445
Microsoft Windows 11 25H2: before 10.0.26200.9445 — fixed in 10.0.26200.9445
Microsoft Windows 11 version 26H1: before 10.0.28000.2954 — fixed in 10.0.28000.2954
Microsoft Windows Server 2022: before 10.0.20348.5622 — fixed in 10.0.20348.5622
Microsoft Windows Server 2025: before 10.0.26100.33438 — fixed in 10.0.26100.33438
Microsoft Windows 10: from 10.0.19044.0 before 10.0.19044.7725 — fixed in 10.0.19044.7725
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.7725 — fixed in 10.0.19045.7725
Microsoft Windows 11: from 10.0.22631.0 before 10.0.22631.7582 — fixed in 10.0.22631.7582
Microsoft Windows 11: from 10.0.26100.0 before 10.0.26100.9445 — fixed in 10.0.26100.9445
Microsoft Windows 11 25H2: from 10.0.26200.0 before 10.0.26200.9445 — fixed in 10.0.26200.9445
Microsoft Windows 11 version 26H1: from 10.0.28000.0 before 10.0.28000.2954 — fixed in 10.0.28000.2954
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.5622 — fixed in 10.0.20348.5622
Microsoft Windows Server 2025: from 10.0.26100.0 before 10.0.26100.33438 — fixed in 10.0.26100.33438

How to fix

Upgrade to a fixed version: Microsoft Windows 10 10.0.19044.7725; Microsoft Windows 10 10.0.19045.7725; Microsoft Windows 11 10.0.22631.7582; Microsoft Windows 11 10.0.26100.9445; Microsoft Windows 11 25H2 10.0.26200.9445; Microsoft Windows 11 version 26H1 10.0.28000.2954; Microsoft Windows Server 2022 10.0.20348.5622; Microsoft Windows Server 2025 10.0.26100.33438; Microsoft Windows 10 10.0.19044.7725; Microsoft Windows 10 10.0.19045.7725; Microsoft Windows 11 10.0.22631.7582; Microsoft Windows 11 10.0.26100.9445. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68824

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