CVE-2026-105725: Windows Security App Elevation of Privilege Vulnerability

Published Oct 13, 2026
·
Updated

Use after free in Windows Security App allows an authorized attacker to elevate privileges locally.

Other sources

Windows Security App Elevation of Privilege Vulnerability

— Microsoft

Affected Software

2 affected componentsFixes available
Microsoft Windows Security
Microsoft Windows Security App<1000.27840.1000.0
1000.27840.1000.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1000.27840.1000.0

Event History

Oct 13, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·06:59 PM
Data Sourced
via MITRE·06:59 PM
DescriptionSeverity

Frequently Asked Questions

1

What level of access does an attacker need to exploit this issue?

Exploitation requires local access and an authorized attacker account with low privileges. The available data does not indicate that this can be exploited remotely or without prior access.

2

Which software should be included in exposure review?

Review systems using Microsoft Windows Security or Microsoft Windows Security App. No affected Windows versions, builds, or fixed versions are provided in the available data.

Contact

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