Windows Package Manager (WinGet) < 1.29.280 Elevation of Privilege (CVE-2026-68821)

high Nessus Plugin ID 334617

Synopsis

The remote host is affected by an elevation of privilege vulnerability.

Description

The version of Windows Package Manager (WinGet) installed on the remote host is prior to 1.29.280. It is, therefore, affected by an elevation of privilege vulnerability:

- An elevation of privilege vulnerability exists in Windows Package Manager that allows a local attacker with low privileges to gain elevated privileges. (CVE-2026-68821)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Windows Package Manager (WinGet) version 1.29.280 or later.

See Also

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68821

http://www.nessus.org/u?1fea1665

Plugin Details

Severity: High

ID: 334617

File Name: smb_nt_ms26_aug_winget_CVE-2026-68821.nasl

Version: 1.3

Type: Local

Agent: windows

Published: 8/11/2026

Updated: 8/26/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.14

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-68821

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:app_installer

Required KB Items: SMB/Registry/Enumerated, WMI/Windows App Store/Enumerated, installed_sw/Microsoft.DesktopAppInstaller

Exploit Ease: No known exploits are available

Patch Publication Date: 8/11/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-68821