Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Microsoft Windows | — | 2026-08 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5120242)2026-08 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5121003)2026-08 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5120233)2026-08 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5120385)2026-08 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5120249)2026-08 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5120240)2026-08 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5120249)2026-08 Cumulative Update for Microsoft Windows 10, version 1607 (KB5120418)2026-08 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5121003)2026-08 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5120386)2026-08 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5120238)2026-08 Cumulative Update for Microsoft Windows 10, version 1809 (KB5120238)2026-08 Cumulative Update for Microsoft Windows Server 2012 (KB5120385)2026-08 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5120242)2026-08 Cumulative Update for Microsoft Windows 11, version 26H1 (KB5121000)2026-08 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5120418)2026-08 Cumulative Update for Microsoft Windows Server 2012 (KB5120386) | Aug 11, 2026 | Aug 11, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub