Time-of-check time-of-use (toctou) race condition in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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Fixes

Solution

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Workaround

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History

Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Time-of-check time-of-use (toctou) race condition in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
Title Windows Broadcast DVR User Service Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows 11 Version 26h2 For Arm64-based Systems
Weaknesses CWE-367
CPEs cpe:2.3:a:microsoft:windows_11_version_26h2_for_arm64-based_systems:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
Vendors & Products Microsoft
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows 11 Version 26h2 For Arm64-based Systems
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-13T22:23:03.531Z

Reserved: 2026-08-03T23:31:50.775Z

Link: CVE-2026-70122

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T19:19:24.413

Modified: 2026-10-13T22:18:07.800

Link: CVE-2026-70122

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses