PT-2025-28618 · Microsoft · Windows

Published 2025-07-08 · Updated 2025-07-08 · CVE-2025-49730

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Microsoft Windows (affected versions not specified)

Description: A time-of-check time-of-use (toctou) race condition exists in the Microsoft Windows QoS scheduler, allowing an authorized attacker to elevate privileges locally.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Heap Based Buffer Overflow

Time Of Check To Time Of Use

Weakness Enumeration

CWE-122

CWE-367

Related Identifiers

BDU:2025-08372

CVE-2025-49730

Affected Products

Windows

References · 8

• 🔥 https://exploit-db.com/exploits/52399 · Exploit
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-49730 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-49730 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49730 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49730 · Security Note
• https://bdu.fstec.ru/vul/2025-08372 · Security Note
• https://osv.dev/vulnerability/CVE-2025-49730 · Vendor Advisory
• https://twitter.com/CVEnew/status/1942633682663080217 · Twitter Post