rtc: ac100: Assign .num before accessing .hws
CVE-2026-98848
Summary
How could an attacker exploit this vulnerability?
To exploit this vulnerability, an unauthenticated attacker would need to send malformed packets to a websocket listening port. This could result in remote code execution on the server side with the same permissions as the websocket service.
Products covered
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows 11 version 21H2 for x64-based Systems
Windows 11 version 21H2 for ARM64-based Systems
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Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 26H1 for ARM64-based Systems
Windows 11 version 26H1 for x64-based Systems
Remediation
Install KB5044277. Install KB5044281. Install KB5044280. Install KB5044273. Install KB5044285. Install KB5044288. Install KB5044284. Install KB5095051.
Vendor-listed fixes
10.0.17763.6414
10.0.20348.2762
10.0.22000.3260
10.0.19044.5011
10.0.22621.4317
10.0.19045.5011
10.0.22631.4317
10.0.25398.1189
Show 2 more fixes
10.0.26100.2033
10.0.28000.2269
CVEs in this advisory 1
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- Added to SecurityAlert
We collected the advisory from the official source.