SCA: security update for Microsoft.WindowsDesktop.App.Runtime.win-arm64, Microsoft.WindowsDesktop.App.Runtime.win-x64, Microsoft.WindowsDesktop.App.Runtime.win-x86 (GHSA-8x9c-mqxv-q2pp)

high Tenable Cloud Security Plugin ID 442122

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
(CVE-2026-35433)

Solution

Update the Microsoft.WindowsDesktop.App.Runtime.win-arm64 library and its related packages to version 10.0.8 or later.

See Also

https://github.com/advisories/GHSA-8x9c-mqxv-q2pp

Plugin Details

Severity: High

ID: 442122

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 5/19/2026

Updated: 6/19/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

Percentile: 57.44

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:P

CVSS Score Source: CVE-2026-35433

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/18/2026

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-35433