CVE-2026-69418: Volume Manager Driver Elevation of Privilege Vulnerability

Published Sep 8, 2026
·
Updated

Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privileges over a network.

Other sources

Volume Manager 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 2016<10.0.14393.9512
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 2012<6.2.9200.26349
6.2.9200.26349
Microsoft Windows 10=1607
10.0.14393.9512
Microsoft Windows Server 2012 R2<6.3.9600.23397
6.3.9600.23397
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows 10=1607
10.0.14393.9512
Microsoft Windows Server 2025<10.0.26100.33438
10.0.26100.33438
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 11=23H2
10.0.22631.7582
Microsoft Windows Server 2016<10.0.14393.9512
10.0.14393.9512
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 11=26H1
10.0.28000.2954
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 10=21H2
10.0.19044.7725
Microsoft Windows 10=22H2
10.0.19045.7725
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 10=21H2
10.0.19044.7725
Microsoft Windows 10=1809
10.0.17763.9245
Microsoft Windows Server 2022<10.0.20348.5622
10.0.20348.5622
Microsoft Windows 10=22H2
10.0.19045.7725
Microsoft Windows Server 2019<10.0.17763.9245
10.0.17763.9245
Microsoft Windows 10=1809
10.0.17763.9245
Microsoft Windows 10=21H2
10.0.19044.7725

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 10.0.26100.9445Patch KB5124008
  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 10.0.14393.9512Patch KB5123099
  5. Upgrade

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

    Fixed in 10.0.28000.2954Patch KB5124012
  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 10.0.22631.7582Patch KB5122880
  8. Upgrade

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

    Fixed in 10.0.26200.9445Patch KB5124008
  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 requires an authorized attacker, so an attacker must already have a valid level of access before attempting privilege elevation.

2

Can this be exploited remotely?

Yes. The attack vector is network-based, and the description states that an authorized attacker can elevate privileges over a network. User interaction is also required.

3

What is the impact if exploitation succeeds?

Successful exploitation can result in elevation of privilege. The supplied vector rates confidentiality, integrity, and availability impact as high.

4

What vulnerability class is involved?

The issue is a heap-based buffer overflow in the Volume Manager Driver, classified as CWE-120 Buffer Overflow.

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