Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Microsoft Windows | — | 2026-09 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5123066)2026-09 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5124008)2026-09 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5124008)2026-09 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5122878)2026-09 Cumulative Update for Microsoft Windows Server 2012 (KB5123065)2026-09 Cumulative Update for Microsoft Windows 11, version 26H1 (KB5124012)2026-09 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5122882)2026-09 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5122880)2026-09 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5122876)2026-09 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5123099)2026-09 Cumulative Update for Microsoft Windows 10, version 1607 (KB5123099)2026-09 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5122878)2026-09 Cumulative Update for Microsoft Windows 10, version 1809 (KB5122876)2026-09 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5122882)2026-09 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5122871) | Oct 13, 2026 | Oct 13, 2026 |
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