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NVD Vulnerability Details :
CVE-2026-56647
Analyzed
More InfoOfficial Page
Source-secure@microsoft.com
View Known Exploited Vulnerability (KEV) details
Published At-14 Jul, 2026 | 18:18
Updated At-17 Jul, 2026 | 13:45

Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to elevate privileges over a network.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Microsoft Corporation
microsoft
>>windows_10_1607>>Versions before 10.0.14393.9339(exclusive)
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
Microsoft Corporation
microsoft
>>windows_10_1607>>Versions before 10.0.14393.9339(exclusive)
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
Microsoft Corporation
microsoft
>>windows_10_1809>>Versions before 10.0.17763.9020(exclusive)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
Microsoft Corporation
microsoft
>>windows_10_1809>>Versions before 10.0.17763.9020(exclusive)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
Microsoft Corporation
microsoft
>>windows_10_21h2>>Versions before 10.0.19044.7548(exclusive)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
Microsoft Corporation
microsoft
>>windows_10_21h2>>Versions before 10.0.19044.7548(exclusive)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
Microsoft Corporation
microsoft
>>windows_10_21h2>>Versions before 10.0.19044.7548(exclusive)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
Microsoft Corporation
microsoft
>>windows_10_22h2>>Versions before 10.0.19045.7548(exclusive)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
Microsoft Corporation
microsoft
>>windows_10_22h2>>Versions before 10.0.19045.7548(exclusive)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
Microsoft Corporation
microsoft
>>windows_10_22h2>>Versions before 10.0.19045.7548(exclusive)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
Microsoft Corporation
microsoft
>>windows_11_24h2>>Versions before 10.0.26100.8875(exclusive)
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
Microsoft Corporation
microsoft
>>windows_11_24h2>>Versions before 10.0.26100.8875(exclusive)
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
Microsoft Corporation
microsoft
>>windows_11_25h2>>Versions before 10.0.26200.8875(exclusive)
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
Microsoft Corporation
microsoft
>>windows_11_25h2>>Versions before 10.0.26200.8875(exclusive)
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
Microsoft Corporation
microsoft
>>windows_11_26h1>>Versions before 10.0.28000.2269(exclusive)
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
Microsoft Corporation
microsoft
>>windows_11_26h1>>Versions before 10.0.28000.2269(exclusive)
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
Microsoft Corporation
microsoft
>>windows_server_2012>>-
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2012>>r2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows_server_2016>>Versions before 10.0.14393.9339(exclusive)
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:-:*:x64:*
Microsoft Corporation
microsoft
>>windows_server_2019>>Versions before 10.0.17763.9020(exclusive)
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:-:*:x64:*
Microsoft Corporation
microsoft
>>windows_server_2022>>Versions before 10.0.20348.5386(exclusive)
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*
Microsoft Corporation
microsoft
>>windows_server_2025>>Versions before 10.0.26100.33158(exclusive)
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
Weaknesses
CWE IDTypeSource
CWE-190Secondarysecure@microsoft.com
CWE ID: CWE-190
Type: Secondary
Source: secure@microsoft.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56647secure@microsoft.com
Patch
Vendor Advisory
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56647
Source: secure@microsoft.com
Resource:
Patch
Vendor Advisory
Change History
0Changes found
Details not found