CVE-2026-103567: Windows Broadcast DVR User Service Information Disclosure Vulnerability
Buffer over-read in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.
Other sources
Windows Broadcast DVR User Service Information Disclosure 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 10.0.28000.3231Patch KB5127646 - 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 10.0.26100.9711Patch 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 10.0.22631.7652Patch KB5126653 - 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 10.0.17763.9376Patch KB5126651
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized on the affected Windows system and must be able to act locally. The provided information does not indicate that remote or unauthenticated exploitation is possible.
What is the security impact?
Successful exploitation can disclose information through a buffer over-read in the Windows Broadcast DVR User Service. The supplied vector indicates high confidentiality impact, with no stated integrity or availability impact.
Which systems should be reviewed?
Review systems running Microsoft Windows 10, Windows 11, or Windows Server 2019, particularly where the Microsoft Windows Broadcast DVR User Service is present. The data does not specify affected builds, editions, or patch levels.