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Severe, 6 weeks977Projects326

977 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-85357

Microsoft Windows Phone Service: race condition

Microsoft

CVE-2026-85357 · Published Oct 13, 2026 · updated Oct 28, 2026

High7.0
Fix: upgrade to 10.0.22631.7652 or later (6 fixed versions below)
Microsoft advisory

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Phone Service allows an authorized attacker to elevate privileges locally.

Affected versions

PackageAffectedFixed in
Windows 11 Version 23H2
Product
>= 10.0.22631.0, < 10.0.22631.765210.0.22631.7652
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.971110.0.26100.9711
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.971110.0.26200.9711
Windows 11 Version 26H2
Product
>= 10.0.26300.0, < 10.0.26300.971110.0.26300.9711
Windows 11 version 23H2
Product
>= 10.0.22631.0, < 10.0.22631.765210.0.22631.7652
Windows 11 version 26H1
Product
>= 10.0.28000.0, < 10.0.28000.323110.0.28000.3231
Windows Server 2022
Product
>= 10.0.20348.0, < 10.0.20348.576110.0.20348.5761
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-362, CWE-416

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