Vulnerability · Published Jul 8, 2025 · Assigned by microsoft
CVE-2025-49730Microsoft Windows QoS Scheduler Driver Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity heap buffer overflow in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.7%top 47.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Time-of-check time-of-use (toctou) race condition in Microsoft Windows QoS scheduler allows an authorized attacker to elevate privileges locally.
Affected products (as reported)
Weakness: CWE-367, CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Windows QoS Scheduler Driver Elevation of Privilege Vulnerability vendor-advisory, patch