CVE-2025-49660

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1507>= 10.0.10240.0, < 10.0.10240.21073
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.8246
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.7558
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.6093
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.6093
MicrosoftWindows 11 version 22H2>= 10.0.22621.0, < 10.0.22621.5624
MicrosoftWindows 11 version 22H3>= 10.0.22631.0, < 10.0.22631.5624
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.5624
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.4652
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.22676
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.22676
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.8246
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.8246
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.7558
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.7558
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.3932
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)>= 10.0.25398.0, < 10.0.25398.1732
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.4652
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.4652

References

Timeline

Published
Jul 8, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-49660: High severity, CVSS 7.8 | Vulnix