CVE-2026-68821

highpriority · track · 31EPSS 0.003 · 24 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.32% (24th) EPSS

CVSS 7.8 · high

Is it mine?

6 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · msrc_csaf

EPSS · scored 2026-10-22

Improper privilege management in Windows Package Manager allows an authorized attacker to elevate privileges locally.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedApp Installermsrc_csaf
1.29.279:Security Update:https://github.com/microsoft/winget-cli/releases/tag/v1.29.280
https://github.com/microsoft/winget-cli/releases/tag/v1.29.280

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.3 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269USCWE-269US

affected products (6)

Products and version ranges known to be affected.

Microsoft Windows Package Manager <1.30.80all versionscert_bundDE
Microsoft Windows≤ Package Manager <1.30.80cert_bundDE
Microsoft App Installer1.0.0.0 → 1.30.80enisa_euvdEU
Microsoft App Installerall versionsfixedmsrc_csafUS
Microsoft App Installer< 1.29.279msrc_csafUS
microsoft app installer< 1.29.280nvdUScpe:2.3:a:microsoft:app_installer:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2785Microsoft Windows Package Manager: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2026-08-11csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Microsoft Windows Package Manager ausnutzen, um seine Privilegien zu erhöhen.
msrc_CVE-2026-68821Windows Package Manager Elevation of Privilege Vulnerability2026-08-11csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2026-08-11modified 2026-08-29

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan