CVE-2026-35433
.NET Elevation of Privilege Vulnerability
Description
Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
INFO
Published Date :
May 12, 2026, 6:17 p.m.
Last Modified :
July 15, 2026, 2:20 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-35433
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | f38d906d-7342-40ea-92c1-6c4a2c6478c8 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c |
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-35433.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-35433 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-35433
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-35433 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-35433 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jul. 15, 2026
Action Type Old Value New Value Changed Affected [{'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'packageName': 'dotnet10.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'packageName': 'dotnet8.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'packageName': 'dotnet9.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'packageName': 'dotnet10.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'packageName': 'dotnet8.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'packageName': 'dotnet9.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'packageName': 'dotnet10.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'packageName': 'dotnet8.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'packageName': 'dotnet9.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'packageName': 'dotnet10.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'packageName': 'dotnet8.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'packageName': 'dotnet9.0', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}] -
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jun. 30, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'unaffected'}] Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L Added CWE CWE-20 Added Reference https://access.redhat.com/security/cve/CVE-2026-35433 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2476577 Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35433.json -
Initial Analysis by [email protected]
Jun. 18, 2026
Action Type Old Value New Value Added CWE NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:* Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (excluding) 10.0.8 *cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (excluding) 8.0.27 *cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.16 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Added CPE Configuration 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_server_2022:-:*:*:*:*:*:*:* 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:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:arm64:* 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_2025:-:*:*:*:*:*:x64:* Added CPE Configuration 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_server_2022:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:* Added CPE Configuration 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:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:* Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433 Types: Vendor Advisory -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Changed Affected [{'vendor': 'Microsoft', 'product': '.NET 10.0', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': '10.0.8', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': '.NET 8.0', 'versions': [{'status': 'affected', 'version': '8.0.0', 'lessThan': '8.0.27', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': '.NET 9.0', 'versions': [{'status': 'affected', 'version': '9.0.0', 'lessThan': '9.0.16', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5', 'versions': [{'status': 'affected', 'version': '3.5.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows Server 2012', 'Windows Server 2012 R2']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.7.2', 'versions': [{'status': 'affected', 'version': '4.7.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1809 for ARM64-based Systems', 'Windows 10 Version 1809 for x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.8', 'versions': [{'status': 'affected', 'version': '4.8.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1809 for ARM64-based Systems', 'Windows 10 Version 1809 for x64-based Systems', 'Windows 10 Version 21H2 for ARM64-based Systems', 'Windows 10 Version 21H2 for x64-based Systems', 'Windows 10 Version 22H2 for ARM64-based Systems', 'Windows 10 Version 22H2 for x64-based Systems', 'Windows 11 version 21H2 for ARM64-based Systems', 'Windows Server 2022']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.8.1', 'versions': [{'status': 'affected', 'version': '4.8.1', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 21H2 for ARM64-based Systems', 'Windows 10 Version 21H2 for x64-based Systems', 'Windows 11 Version 22H2 for ARM64-based Systems', 'Windows 11 Version 22H2 for x64-based Systems', 'Windows 11 Version 23H2 for ARM64-based Systems', 'Windows 11 Version 23H2 for x64-based Systems', 'Windows 11 Version 24H2 for ARM64-based Systems', 'Windows 11 Version 24H2 for x64-based Systems', 'Windows 11 Version 25H2 for ARM64-based Systems', 'Windows 11 Version 25H2 for x64-based Systems', 'Windows 11 Version 26H1 for ARM64-based Systems', 'Windows 11 version 26H1 for x64-based Systems', 'Windows 11 Version 26H1 for x64-based Systems - extra', 'Windows Server 2022', 'Windows Server 2025']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 4.8', 'versions': [{'status': 'affected', 'version': '4.8.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1607 for x64-based Systems', 'Windows Server 2012', 'Windows Server 2012 R2', 'Windows Server 2016']}] [{'vendor': 'Microsoft', 'product': '.NET 10.0', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': '10.0.8', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': '.NET 8.0', 'versions': [{'status': 'affected', 'version': '8.0.0', 'lessThan': '8.0.27', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': '.NET 9.0', 'versions': [{'status': 'affected', 'version': '9.0.0', 'lessThan': '9.0.16', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5', 'versions': [{'status': 'affected', 'version': '3.5.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows Server 2012', 'Windows Server 2012 R2']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.7.2', 'versions': [{'status': 'affected', 'version': '4.7.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1809 for ARM64-based Systems', 'Windows 10 Version 1809 for x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.8', 'versions': [{'status': 'affected', 'version': '4.8.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1809 for ARM64-based Systems', 'Windows 10 Version 1809 for x64-based Systems', 'Windows 10 Version 21H2 for ARM64-based Systems', 'Windows 10 Version 21H2 for x64-based Systems', 'Windows 10 Version 22H2 for ARM64-based Systems', 'Windows 10 Version 22H2 for x64-based Systems', 'Windows Server 2022']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.8.1', 'versions': [{'status': 'affected', 'version': '4.8.1', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 21H2 for ARM64-based Systems', 'Windows 10 Version 21H2 for x64-based Systems', 'Windows 11 Version 23H2 for ARM64-based Systems', 'Windows 11 Version 23H2 for x64-based Systems', 'Windows 11 Version 24H2 for ARM64-based Systems', 'Windows 11 Version 24H2 for x64-based Systems', 'Windows 11 Version 25H2 for ARM64-based Systems', 'Windows 11 Version 25H2 for x64-based Systems', 'Windows 11 Version 26H1 for ARM64-based Systems', 'Windows 11 version 26H1 for x64-based Systems', 'Windows Server 2022', 'Windows Server 2025']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 4.8', 'versions': [{'status': 'affected', 'version': '4.8.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1607 for x64-based Systems', 'Windows Server 2012', 'Windows Server 2012 R2', 'Windows Server 2016']}] Changed Description Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally. -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-35433', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-05-13T03:55:58.313299Z'} -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Microsoft', 'product': '.NET 10.0', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': '10.0.8', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': '.NET 8.0', 'versions': [{'status': 'affected', 'version': '8.0.0', 'lessThan': '8.0.27', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': '.NET 9.0', 'versions': [{'status': 'affected', 'version': '9.0.0', 'lessThan': '9.0.16', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5', 'versions': [{'status': 'affected', 'version': '3.5.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows Server 2012', 'Windows Server 2012 R2']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.7.2', 'versions': [{'status': 'affected', 'version': '4.7.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1809 for ARM64-based Systems', 'Windows 10 Version 1809 for x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.8', 'versions': [{'status': 'affected', 'version': '4.8.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1809 for ARM64-based Systems', 'Windows 10 Version 1809 for x64-based Systems', 'Windows 10 Version 21H2 for ARM64-based Systems', 'Windows 10 Version 21H2 for x64-based Systems', 'Windows 10 Version 22H2 for ARM64-based Systems', 'Windows 10 Version 22H2 for x64-based Systems', 'Windows 11 version 21H2 for ARM64-based Systems', 'Windows Server 2022']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.8.1', 'versions': [{'status': 'affected', 'version': '4.8.1', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 21H2 for ARM64-based Systems', 'Windows 10 Version 21H2 for x64-based Systems', 'Windows 11 Version 22H2 for ARM64-based Systems', 'Windows 11 Version 22H2 for x64-based Systems', 'Windows 11 Version 23H2 for ARM64-based Systems', 'Windows 11 Version 23H2 for x64-based Systems', 'Windows 11 Version 24H2 for ARM64-based Systems', 'Windows 11 Version 24H2 for x64-based Systems', 'Windows 11 Version 25H2 for ARM64-based Systems', 'Windows 11 Version 25H2 for x64-based Systems', 'Windows 11 Version 26H1 for ARM64-based Systems', 'Windows 11 version 26H1 for x64-based Systems', 'Windows 11 Version 26H1 for x64-based Systems - extra', 'Windows Server 2022', 'Windows Server 2025']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 4.8', 'versions': [{'status': 'affected', 'version': '4.8.0', 'lessThan': '4.8.9334.0 and 4.8.4802.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1607 for x64-based Systems', 'Windows Server 2012', 'Windows Server 2012 R2', 'Windows Server 2016']}] -
CVE Modified by [email protected]
Jun. 09, 2026
Action Type Old Value New Value Changed Description Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally. Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. -
CVE Modified by [email protected]
Jun. 05, 2026
Action Type Old Value New Value Changed Description Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally. -
CVE Modified by [email protected]
Jun. 01, 2026
Action Type Old Value New Value Changed Description Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally. Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. -
New CVE Received by [email protected]
May. 12, 2026
Action Type Old Value New Value Added Description Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally. Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L Added CWE CWE-20 Added CWE CWE-190 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433