CVE-2025-49690

HIGH

Windows 10/11, Server 2019/2022/2025 - Unauthenticated Privilege Escalation via Race Condition

Title source: llm

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an unauthorized attacker to elevate privileges locally.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory patch

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49690

Scores

CVSS v3 7.4

EPSS 0.0025

EPSS Percentile 15.8%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-415 CWE-362

Status published

Products (10)

microsoft/windows_10_1809 < 10.0.17763.7558 (2 CPE variants)

microsoft/windows_10_21h2 < 10.0.19044.6093

microsoft/windows_10_22h2 < 10.0.19045.6093

microsoft/windows_11_22h2 < 10.0.22621.5624

microsoft/windows_11_23h2 < 10.0.22631.5624

microsoft/windows_11_24h2 < 10.0.26100.4652

microsoft/windows_server_2019 < 10.0.17763.7558

microsoft/windows_server_2022 < 10.0.20348.3932

microsoft/windows_server_2022_23h2 < 10.0.25398.1732

microsoft/windows_server_2025 < 10.0.26100.4652

Published Jul 08, 2025

Tracked Since Feb 18, 2026