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CVE-2026-105562ImportantInformation DisclosureLocal

Windows Container Manager Service Information Disclosure Vulnerability

MSRC advisory NVD CVE.org

Assessment

Time-of-check time-of-use (toctou) race condition in Windows Container Manager Service allows an authorized attacker to disclose information locally.

Severity
Important
CVSS base score
4.7
Impact
Information Disclosure
Exploitation detected
No known exploitation (MSRC assessment)
Exploitability
Exploitation Less Likely
Publicly disclosed
No (MSRC assessment)
EPSS · 30-day forecast
No EPSS score collected
Customer action
Required: follow the MSRC remediation guidance
More details
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Windows Container Manager Service
Weakness
CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
Issued by
Microsoft
Published
10 Nov 2026 · November 2026
Last revised
10 Nov 2026
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
LocalAV:L
Attack complexity
HighAC:H
Privileges required
LowPR:L
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
HighC:H
Integrity
NoneI:N
Availability
NoneA:N

Updates that fix it

5 KBs
KBTypeRestartApplies toOther CVEs
KB5131087 Security UpdateRequiredWindows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based SystemsAll CVEs in KB5131087
KB5131096 Security UpdateRequiredWindows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems and 3 moreAll CVEs in KB5131096
KB5132043 Security Update—Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems and 3 moreAll CVEs in KB5132043
KB5132059 Security UpdateRequiredWindows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based SystemsAll CVEs in KB5132059
KB5132061 Security UpdateRequiredWindows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems and 3 moreAll CVEs in KB5132061

Affected products

ESU, Windows
16 affected products
Page history

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

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