CVE-2026-69468: Windows Volume Manager Extension Driver Elevation of Privilege Vulnerability

Published Sep 8, 2026
·
Updated

Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.

Other sources

Windows Volume Manager Extension Driver Elevation of Privilege Vulnerability

Microsoft

Affected Software

30 affected componentsFixes available
Microsoft Windows Server 2012 R2<6.3.9600.23397
6.3.9600.23397
Microsoft Windows Server 2012 R2<6.3.9600.23397
6.3.9600.23397
Microsoft Windows Server 2012<6.2.9200.26349
6.2.9200.26349
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows 10=1607
10.0.14393.9512
Microsoft Windows Server 2012<6.2.9200.26349
6.2.9200.26349
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows Server 2016<10.0.14393.9512
10.0.14393.9512
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows Server 2016<10.0.14393.9512
10.0.14393.9512
Microsoft Windows 10=1607
10.0.14393.9512
Microsoft Windows Server 2025<10.0.26100.33438
10.0.26100.33438
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 11=23H2
10.0.22631.7582
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 11=23H2
10.0.22631.7582
Microsoft Windows Server 2025<10.0.26100.33438
10.0.26100.33438
Microsoft Windows 10=22H2
10.0.19045.7725
Microsoft Windows 10=22H2
10.0.19045.7725
Microsoft Windows 10=22H2
10.0.19045.7725
Microsoft Windows 10=21H2
10.0.19044.7725
Microsoft Windows 10=21H2
10.0.19044.7725
Microsoft Windows 10=21H2
10.0.19044.7725
Microsoft Windows Server 2022<10.0.20348.5622
10.0.20348.5622
Microsoft Windows Server 2022<10.0.20348.5622
10.0.20348.5622
Microsoft Windows 10=1809
10.0.17763.9245
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 10=1809
10.0.17763.9245

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 6.2.9200.26349Patch KB5123065
  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 10.0.14393.9512Patch KB5123099
  5. Upgrade

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

    Fixed in 10.0.26100.9445Patch KB5124008
  6. Upgrade

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

    Fixed in 10.0.26100.33438Patch KB5122871
  7. Upgrade

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

    Fixed in 10.0.26200.9445Patch KB5124008
  8. Upgrade

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

    Fixed in 10.0.22631.7582Patch KB5122880
  9. Upgrade

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

    Fixed in 10.0.19045.7725Patch KB5122878
  10. Upgrade

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

    Fixed in 10.0.19044.7725Patch KB5122878
  11. Upgrade

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

    Fixed in 10.0.20348.5622Patch KB5122882
  12. 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
DescriptionSeverityWeakness
Data Sourced
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

Who is exposed to this vulnerability?

Systems running the listed Microsoft Windows client or server products are in scope. Exploitation is local, so the attacker must already be able to execute with authorized low-privilege access on the affected system.

2

What access does an attacker need to exploit it?

The attacker needs local access and low privileges; no user interaction is required. The vulnerability can be used to elevate privileges and has high confidentiality, integrity, and availability impact.

3

Is this exploitable remotely or through a default network service?

The supplied vector identifies the attack vector as local. The available data does not indicate a remote network attack path or identify any configuration-dependent exposure.

Contact

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