CVE-2026-62695: Windows Storage Elevation of Privilege Vulnerability

Published Aug 11, 2026
·
Updated

Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.

Other sources

Windows Storage Elevation of Privilege Vulnerability

— Microsoft

Affected Software

22 affected componentsFixes available
Microsoft Windows 11=26H1
10.0.28000.2704
Microsoft Windows Server 2025<10.0.26100.33296, <10.0.26100.33222
10.0.26100.3329610.0.26100.33222
Microsoft Windows 11=23H2
10.0.22631.7517
Microsoft Windows 11=26H1
10.0.28000.2704
Microsoft Windows 11=23H2
10.0.22631.7517
Microsoft Windows Server 2025<10.0.26100.33296, <10.0.26100.33222
10.0.26100.3329610.0.26100.33222
Microsoft Windows Server 2022<10.0.20348.5499, <10.0.20348.5440
10.0.20348.549910.0.20348.5440
Microsoft Windows Server 2022<10.0.20348.5499, <10.0.20348.5440
10.0.20348.549910.0.20348.5440
Microsoft Windows 11 23h2<10.0.22631.7517
Microsoft Windows 11 23h2<10.0.22631.7517
Microsoft Windows 11 24h2<10.0.26100.9106
Microsoft Windows 11 24h2<10.0.26100.9106
Microsoft Windows 11 25h2<10.0.26200.9106
Microsoft Windows 11 25h2<10.0.26200.9106
Microsoft Windows 11 26h1<10.0.28000.2704
Microsoft Windows 11 26h1<10.0.28000.2704
Microsoft Windows Server 2022<10.0.20348.5440
Microsoft Windows Server 2025<10.0.26100.33222
Microsoft Windows 11=25H2
10.0.26200.916810.0.26200.9106
Microsoft Windows 11=25H2
10.0.26200.916810.0.26200.9106
Microsoft Windows 11=24H2
10.0.26100.916810.0.26200.9106
Microsoft Windows 11=24H2
10.0.26100.916810.0.26100.9106

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 10.0.28000.2704Patch KB5121000
  2. Upgrade

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

    Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228
  3. Upgrade

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

    Fixed in 10.0.22631.7517Patch KB5120240
  4. Upgrade

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

    Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229
  5. Upgrade

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

    Fixed in 10.0.26200.9168Fixed in 10.0.26200.9106Patch KB5120994
  6. Upgrade

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

    Fixed in 10.0.26100.9168Fixed in 10.0.26200.9106Patch KB5120994
  7. Upgrade

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

    Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994

Event History

Aug 11, 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·05:04 PM
Data Sourced
via MITRE·05:04 PM
DescriptionSeverity
Data Sourced
via NVD·05:18 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-62695?

The severity of CVE-2026-62695 is rated high with a score of 7.8.

2

What is CVE-2026-62695?

CVE-2026-62695 is a heap-based buffer overflow vulnerability in Windows Storage that allows an authorized attacker to elevate privileges locally.

3

Who is affected by CVE-2026-62695?

CVE-2026-62695 affects multiple versions of Microsoft Windows, including Windows 11 and various releases of Windows Server.

4

How do I fix CVE-2026-62695?

To mitigate CVE-2026-62695, apply the latest security updates provided by Microsoft for affected Windows versions.

5

What type of vulnerability is CVE-2026-62695?

CVE-2026-62695 is classified as a Buffer Overflow vulnerability, specifically a heap-based overflow.

Company

Resources

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