CVE-2026-96958

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-96958
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96958 Vendor Advisory
Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:rc1:*:*:*:*:*:*
OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Configuration 3 (hide)

AND
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
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 4 (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 5 (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:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_26h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:-:*:*:*:*:*:*:*

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:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
OR cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
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_10_1607:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Configuration 9 (hide)

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

16 Oct 2026, 19:32

Type Values Removed Values Added
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96958 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96958 - Vendor Advisory
First Time Microsoft
Linux
Microsoft .net
Microsoft windows 10 1607
Apple macos
Microsoft .net Framework
Microsoft windows 11 26h1
Apple
Linux linux Kernel
Microsoft windows Server 2022
Microsoft windows 11 26h2
Microsoft windows Server 2019
Microsoft windows Server 2025
Microsoft windows Server 2016
Microsoft windows 11 24h2
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 25h2
Microsoft windows 10 1809
Microsoft windows
Microsoft windows Server 2012
Microsoft windows 11 23h2
CPE cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_26h2:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*

13 Oct 2026, 19:22

Type Values Removed Values Added
New CVE
Information

Published : 2026-10-13 19:22

Updated : 2026-10-22 22:20

NVD link : CVE-2026-96958

Mitre link : CVE-2026-96958

CVE.ORG link : CVE-2026-96958

JSON object : View

Products Affected

microsoft

  • windows_11_25h2
  • windows_11_23h2
  • windows_11_24h2
  • windows
  • windows_10_1607
  • windows_server_2019
  • windows_10_1809
  • windows_server_2022
  • .net_framework
  • windows_11_26h2
  • windows_10_21h2
  • windows_10_22h2
  • windows_server_2025
  • windows_server_2016
  • windows_11_26h1
  • .net
  • windows_server_2012

linux

  • linux_kernel

apple

  • macos
CWE
CWE-407

Inefficient Algorithmic Complexity