CVE-2026-103565: Windows Broadcast DVR User Service Elevation of Privilege Vulnerability
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
Other sources
Windows Broadcast DVR User Service 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 10.0.28000.3231Patch KB5127646 - 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 10.0.17763.9376Patch KB5126651 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657 - 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
Who can exploit this vulnerability?
An attacker must already be authorized on the affected system and be able to execute an attack locally. The available data does not indicate that remote exploitation or user interaction is required.
Which systems should be assessed?
Assess systems running Microsoft Windows 10, Windows 11, or Windows Server 2019, particularly where the Windows Broadcast DVR User Service is present. The provided information does not identify affected build numbers or whether the service is enabled by default.
What is the likely impact of successful exploitation?
Successful exploitation allows local elevation of privilege. The supplied severity vector indicates potential high impact to confidentiality, integrity, and availability.