Improper verification of source of a communication channel in Windows Hyper-V allows an unauthorized attacker to bypass a security feature over an adjacent network.
References
| Link | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87705 | Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
28 Oct 2026, 20:23
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Microsoft windows Server 2019
Microsoft windows 10 21h2 Microsoft Microsoft windows 10 1809 Microsoft windows Server 2012 Microsoft windows 10 22h2 Microsoft windows Server 2025 Microsoft windows 11 25h2 Microsoft windows 11 26h2 Microsoft windows Server 2016 Microsoft windows 11 23h2 Microsoft windows Server 2022 Microsoft windows 10 1607 Microsoft windows 11 24h2 Microsoft windows 11 26h1 |
|
| CPE | cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* |
|
| References | () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87705 - Patch, Vendor Advisory |
13 Oct 2026, 19:21
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-10-13 19:21
Updated : 2026-10-28 20:23
NVD link : CVE-2026-87705
Mitre link : CVE-2026-87705
CVE.ORG link : CVE-2026-87705
JSON object : View
Products Affected
microsoft
- windows_11_26h2
- windows_10_21h2
- windows_11_25h2
- windows_10_1607
- windows_11_23h2
- windows_server_2016
- windows_server_2019
- windows_11_24h2
- windows_11_26h1
- windows_10_22h2
- windows_server_2025
- windows_10_1809
- windows_server_2022
- windows_server_2012
CWE
CWE-940
Improper Verification of Source of a Communication Channel