Medium5.5Vendor: HighMicrosoft
Windows DWM Core Library Information Disclosure Vulnerability
CVE-2026-48566 Published Jun 9, 2026
CVE-2026-48566
Affected products & platforms
Microsoft ServerUnclassified
Summary
Windows DWM Core Library Information Disclosure Vulnerability
Fixed versions
- KB5087539 (build 10.0.26100.32860)
- KB5087423 (build 10.0.26100.32772)
- KB5089549 (build 10.0.26100.8457)
- KB5089466 (build 10.0.26100.8390)
- KB5089548 (build 10.0.28000.2113)
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Install the applicable security update for your platform: KB5087539, KB5087423, KB5089549, KB5089466, KB5089548 (see the Microsoft Update Catalog).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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