CVE-2026-69401: Audio Video Control Transport Protocol Elevation of Privilege Vulnerability

Published Sep 8, 2026
·
Updated

Audio Video Control Transport Protocol Elevation of Privilege Vulnerability

Other sources

Use after free in Audio Video Control Transport Protocol allows an authorized attacker to elevate privileges locally.

Microsoft

Affected Software

8 affected componentsFixes available
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows Server 2025<10.0.26100.33438
10.0.26100.33438
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows Server 2025<10.0.26100.33438
10.0.26100.33438

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 10.0.26200.9445Patch KB5124008
  2. Upgrade

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

    Fixed in 10.0.26100.33438Patch KB5122871
  3. Upgrade

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

    Fixed in 10.0.28000.2954Patch KB5124012
  4. Upgrade

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

    Fixed in 10.0.26100.9445Patch KB5124008

Event History

Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:11 PM
Data Sourced
via MITRE·05:11 PM
DescriptionSeverity
Data Sourced
via NVD·06:19 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which systems are identified as affected?

The affected software listed is Microsoft Windows 11 and Microsoft Windows Server 2025.

2

What level of access does an attacker need?

An attacker must already be authorized and have local access. The vulnerability is an elevation-of-privilege issue, so it is not described as providing initial remote access.

3

What impact could successful exploitation have?

Successful exploitation could allow the attacker to elevate privileges. The supplied vector rates confidentiality, integrity, and availability impact as high.

Contact

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