CVE-2026-88105
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Use After Free in Windows Broadcast DVR User Service Allows Local Privilege Escalation

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

Description
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-14
AI Q&A
2026-10-14
EPSS Evaluated
N/A
NVD
CVE-2026-88105
EUVD
EUVD-2026-100084

Affected Vendors & Products

Showing 10 associated CPEs
Vendor Product Version / Range
Microsoft Windows 10 Version 1607 10.0.14393.0
Microsoft Windows 10 Version 1809 10.0.17763.0
Microsoft Windows 10 Version 21H2 10.0.19044.0
Microsoft Windows 10 Version 22H2 10.0.19045.0
Microsoft Windows 11 version 23H2 10.0.22631.0
Microsoft Windows 11 Version 23H2 10.0.22631.0
Microsoft Windows 11 Version 24H2 10.0.26100.0
Microsoft Windows 11 Version 25H2 10.0.26200.0
Microsoft Windows 11 version 26H1 10.0.28000.0
Microsoft Windows 11 Version 26H2 10.0.26300.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

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Executive Summary

This vulnerability is a use after free issue in the Windows Broadcast DVR User Service. It allows an authorized attacker with local access to elevate their privileges on the system. Use after free refers to a memory corruption flaw where a program continues to use memory after it has been freed, potentially leading to arbitrary code execution.

Impact Analysis

An attacker could exploit this to gain higher privileges on your system, allowing them to install programs, view or delete data, or create new accounts with full user rights. This could lead to complete system compromise if exploited successfully.

Mitigation Strategies

Apply the latest Windows security updates from Microsoft to patch the Broadcast DVR User Service vulnerability. Monitor Microsoft's security advisories for updates and disable unnecessary services if not required.

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