CVE-2026-62749: Windows Kernel Elevation of Privilege Vulnerability

Published Aug 11, 2026
·
Updated

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Other sources

Windows Kernel Elevation of Privilege Vulnerability

— Microsoft

Affected Software

15 affected componentsFixes available
Microsoft Windows 11=26H1
10.0.28000.2704
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 Server 2025<10.0.26100.33296, <10.0.26100.33222
10.0.26100.3329610.0.26100.33222
Microsoft Windows 11=24H2
10.0.26100.916810.0.26200.9106
Microsoft Windows 11=24H2
10.0.26100.916810.0.26100.9106
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<10.0.26100.9106
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 2025<10.0.26100.33222

Remediation

Patch Available

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62749

Event History

Aug 11, 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
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:06 PM
Data Sourced
via MITRE·05:06 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-2026-62749?

The severity of CVE-2026-62749 is rated high with a score of 7.

2

How do I fix CVE-2026-62749?

CVE-2026-62749 can be fixed by applying the available security patch from Microsoft.

3

What systems are affected by CVE-2026-62749?

CVE-2026-62749 affects Microsoft Windows 11 and Microsoft Windows Server 2025 along with specific builds of Windows 11.

4

What type of vulnerability is CVE-2026-62749?

CVE-2026-62749 is a Windows Kernel Elevation of Privilege vulnerability caused by use after free.

5

Can an attacker exploit CVE-2026-62749 remotely?

No, CVE-2026-62749 requires local access for an authorized attacker to elevate privileges.

Company

Resources

Contact

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