CVE-2026-102204

highpriority · track · 31EPSS 0.004 · 34 %ileFRNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (34th) EPSS

CVSS 7.8 · high

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

ncsc_nl · msrc_csaf · certfr

EPSS · scored 2026-10-27

Improper link resolution before file access ('link following') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

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 · secure@microsoft.com USexploitability 1.8 · 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)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/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-59USCWE-59USCWE-59US

affected products (6)

Products and version ranges known to be affected.

Microsoft Microsoft Configuration Manager 2503≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft Configuration Manager 2509≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft Configuration Manager 2603≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft Configuration Manager 2603 on .NET Core 2.1≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft Defender for Endpoint for Linux≤ vers:unknown/*ncsc_nlNL
Microsoft Windows Defender≤ vers:unknown/*ncsc_nlNL

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0425Kwetsbaarheden verholpen in Microsoft System CenterNL2026-10-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in de Configuration Manager en Defender.
msrc_CVE-2026-102204Microsoft Microsoft Defender for Endpoint Elevation of Privilege Vulnerability2026-10-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
CERTFR-2026-AVI-1316Multiples vulnérabilités dans les produits MicrosoftFrançais2026-10-14vendor · certfrFR

sources

Which sources assert this record, and when.

ncsc_nl msrc_csaf certfr NVD CVE.org MITRE

published 2026-10-13modified 2026-10-20

references (1) nvd

External citations — patches, advisories, analysis.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102204

scry

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