CVE-2025-49730
7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: secure@microsoft.com (Secondary)
Description
Time-of-check time-of-use (toctou) race condition in Microsoft Windows QoS scheduler allows an authorized attacker to elevate privileges locally.
Affected (21)
Products: Microsoft: Windows 10 1507, Windows 10 1607, Windows 10 1809, Windows 10 21h2, Windows 10 22h2, Windows 11 22h2, Windows 11 23h2, Windows 11 24h2, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 10.0.10240.21073 | |
| Before 10.0.14393.8246 | |
| Before 10.0.17763.7558 | |
| Before 10.0.19044.6093 | |
| Before 10.0.19045.6093 | |
| Before 10.0.22621.5624 | |
| Before 10.0.22631.5624 | |
| Before 10.0.26100.4652 | |
| All versions | |
| All versions | |
| Before 10.0.14393.8246 | |
| Before 10.0.17763.7558 | |
| Before 10.0.20348.3932 | |
| Before 10.0.25398.1732 | |
| Before 10.0.26100.4652 |
Related CWEs
CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.
References (1)
Source: secure@microsoft.com
Vendor Advisory
Timeline
No history available yet.