CVE-2026-69712: Windows Key Distribution Center Remote Code Execution Vulnerability

Published Sep 8, 2026
·
Updated

Use after free in Windows Key Distribution Center allows an authorized attacker to execute code over a network.

Other sources

Windows Key Distribution Center Remote Code Execution Vulnerability

Microsoft

Affected Software

12 affected componentsFixes available
Microsoft Windows Server 2012 R2<6.3.9600.23397
6.3.9600.23397
Microsoft Windows Server 2016<10.0.14393.9512
10.0.14393.9512
Microsoft Windows Server 2012<6.2.9200.26349
6.2.9200.26349
Microsoft Windows Server 2012<6.2.9200.26349
6.2.9200.26349
Microsoft Windows Server 2025<10.0.26100.33438
10.0.26100.33438
Microsoft Windows Server 2022<10.0.20348.5622
10.0.20348.5622
Microsoft Windows Server 2012 R2<6.3.9600.23397
6.3.9600.23397
Microsoft Windows Server 2016<10.0.14393.9512
10.0.14393.9512
Microsoft Windows Server 2022<10.0.20348.5622
10.0.20348.5622
Microsoft Windows Server 2019<10.0.17763.9245
10.0.17763.9245
Microsoft Windows Server 2019<10.0.17763.9245
10.0.17763.9245
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 6.3.9600.23397Patch KB5123066
  2. Upgrade

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

    Fixed in 10.0.14393.9512Patch KB5123099
  3. Upgrade

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

    Fixed in 6.2.9200.26349Patch KB5123065
  4. Upgrade

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

    Fixed in 10.0.26100.33438Patch KB5122871
  5. Upgrade

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

    Fixed in 10.0.20348.5622Patch KB5122882
  6. Upgrade

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

    Fixed in 10.0.17763.9245Patch KB5122876

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·05:12 PM
Data Sourced
via MITRE·05:12 PM
DescriptionSeverity
Data Sourced
via NVD·06:19 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which systems should be prioritized for review?

The affected software list includes Microsoft Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025. Prioritize affected servers that provide Key Distribution Center functionality and are reachable by potentially untrusted authenticated network users.

2

What access does an attacker need to exploit this issue?

An attacker must be authorized and able to reach the Windows Key Distribution Center over the network. No user interaction is required, and the attack complexity is rated low.

3

What is the likely impact of successful exploitation?

Successful exploitation can allow remote code execution. The reported impact includes high confidentiality, integrity, and availability impact.

4

How can I determine whether an environment may be affected?

Identify servers running one of the listed Windows Server versions and determine whether they run the Windows Key Distribution Center service. The provided data does not include a fixed-version or update identifier for confirming remediation status.

Contact

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