CVE-2026-35433

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
Configurations

Configuration 1 (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_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Configuration 3 (hide)

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

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_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_11_26h1:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:-:*:*:*:*:*:x64:*

Configuration 5 (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:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
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_22h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

Configuration 6 (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_1809:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*

History

30 Jun 2026, 03:19

Type Values Removed Values Added
References
  • () https://access.redhat.com/security/cve/CVE-2026-35433 -
  • () https://bugzilla.redhat.com/show_bug.cgi?id=2476577 -
  • () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35433.json -

18 Jun 2026, 17:23

Type Values Removed Values Added
CPE cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
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_2025:-:*:*:*:*:*:x64:*
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:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
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:4.8.1:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:arm64:*
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:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:x64:*
Summary (en) Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. (en) Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
CWE NVD-CWE-noinfo
First Time Microsoft windows 10 1809
Microsoft windows 11 26h1
Microsoft windows Server 2016
Microsoft windows 11 23h2
Microsoft windows 10 1607
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 .net Framework
Microsoft windows Server 2025
Microsoft windows
Microsoft
Microsoft .net
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433 - Vendor Advisory

09 Jun 2026, 19:17

Type Values Removed Values Added
Summary (en) Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally. (en) Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

05 Jun 2026, 18:17

Type Values Removed Values Added
Summary (en) Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. (en) Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.

01 Jun 2026, 19:16

Type Values Removed Values Added
Summary (en) Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally. (en) Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

12 May 2026, 18:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-12 18:17

Updated : 2026-07-15 02:20


NVD link : CVE-2026-35433

Mitre link : CVE-2026-35433

CVE.ORG link : CVE-2026-35433


JSON object : View

Products Affected

microsoft

  • windows
  • .net
  • windows_10_1607
  • windows_11_24h2
  • windows_server_2016
  • windows_11_23h2
  • windows_server_2012
  • windows_11_25h2
  • windows_11_26h1
  • windows_10_1809
  • windows_10_22h2
  • windows_10_21h2
  • windows_server_2022
  • .net_framework
  • windows_server_2025
CWE
CWE-20

Improper Input Validation

CWE-190

Integer Overflow or Wraparound

NVD-CWE-noinfo