Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
References
| Link | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54982 | Vendor Advisory Patch |
Configurations
Configuration 1 (hide)
|
History
20 Jul 2026, 13:37
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Microsoft windows 11 24h2
Microsoft windows 10 1809 Microsoft windows 11 25h2 Microsoft windows 10 21h2 Microsoft windows 10 22h2 Microsoft windows 11 26h1 Microsoft windows Server 2012 Microsoft windows Server 2022 Microsoft windows Server 2025 Microsoft windows Server 2019 Microsoft windows Server 2016 Microsoft Microsoft windows 10 1607 |
|
| References | () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54982 - Vendor Advisory, Patch | |
| CPE | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* 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_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* |
14 Jul 2026, 17:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-07-14 17:17
Updated : 2026-07-20 13:37
NVD link : CVE-2026-54982
Mitre link : CVE-2026-54982
CVE.ORG link : CVE-2026-54982
JSON object : View
Products Affected
microsoft
- windows_11_25h2
- windows_10_1607
- windows_11_24h2
- windows_10_1809
- windows_11_26h1
- windows_server_2012
- windows_10_22h2
- windows_server_2016
- windows_10_21h2
- windows_server_2022
- windows_server_2019
- windows_server_2025
CWE
CWE-191
Integer Underflow (Wrap or Wraparound)