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CVE-2026-119943ImportantEoPLocal

Microsoft Windows Search Component Elevation of Privilege Vulnerability

MSRC advisory NVD CVE.org

Assessment

Buffer over-read in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

Severity
Important
CVSS base score
7.8
Impact
Elevation of Privilege
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:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Microsoft Windows Search Component
Weakness
CWE-126: Buffer Over-read
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
LowAC:L
Privileges required
LowPR:L
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
HighC:H
Integrity
HighI:H
Availability
HighA:H

Updates that fix it

5 KBs
KBTypeRestartApplies toOther CVEs
KB5131077 Security Hotpatch Update—Windows Server 2025, Windows Server 2025 (Server Core installation)All CVEs in KB5131077
KB5131080 Security UpdateRequiredWindows Server 2025, Windows Server 2025 (Server Core installation)All CVEs in KB5131080
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

Windows
10 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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