CVE-2026-50649

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-50649
Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50649 Patch Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*

Configuration 2 (hide)

AND
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
OR cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
OR cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
OR cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
OR cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
OR cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

Configuration 9 (hide)

cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
History

24 Jul 2026, 13:40

Type Values Removed Values Added
CPE cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*: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:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:arm64:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:arm64:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50649 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50649 - Patch, Vendor Advisory
First Time Microsoft windows 10 1809
Microsoft windows 11 26h1
Microsoft visual Studio 2026
Microsoft windows Server 2016
Microsoft windows 10 1607
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows Server 2012
Microsoft windows Server 2022
Microsoft windows
Microsoft .net Framework
Microsoft windows Server 2019
Microsoft
Microsoft .net

14 Jul 2026, 20:17

Type Values Removed Values Added
New CVE
Information

Published : 2026-07-14 20:17

Updated : 2026-07-24 13:40

NVD link : CVE-2026-50649

Mitre link : CVE-2026-50649

CVE.ORG link : CVE-2026-50649

JSON object : View

Products Affected

microsoft

  • windows
  • windows_11_25h2
  • windows_10_1607
  • windows_11_24h2
  • windows_server_2016
  • windows_11_26h1
  • windows_server_2012
  • windows_10_22h2
  • windows_11_23h2
  • .net
  • windows_10_1809
  • visual_studio_2026
  • windows_10_21h2
  • windows_server_2022
  • windows_server_2019
  • .net_framework
CWE
CWE-502

Deserialization of Untrusted Data