CVE-2025-59507CWE-362

Windows Speech Runtime Elevation of Privilege Vulnerability

High · published November 11, 2025

CVSS v3.1
7.0
EPSS
0%
Percentile
17.4
In the wild
Unconfirmed
What it is

⚡ A crafty race condition in Windows Speech lets an authorized attacker elevate their privileges—like a guest at a party suddenly getting the VIP pass! Think of it like a busy restaurant where two chefs are trying to access the same ingredient at the same time. If they don’t coordinate properly, one could use the last of that special spice without the head chef’s approval, changing the whole flavor of the dish! This vulnerability could allow a local attacker to escalate their privileges, gaining access to restricted areas of the system and potentially wreaking havoc. They could manipulate settings, access sensitive data, and control critical system functions without detection, leading to absolutely devastating consequences for system integrity.

Put simply

Think of it like a busy restaurant where two chefs are trying to access the same ingredient at the same time. If they don’t coordinate properly, one could use the last of that special spice without the head chef’s approval, changing the whole flavor of the dish! The issue arises from improper synchronization when multiple processes access shared resources concurrently. This race condition can be exploited by a local attacker to execute code with elevated privileges beyond their original permissions.

What to do

This vulnerability could allow a local attacker to escalate their privileges, gaining access to restricted areas of the system and potentially wreaking havoc. They could manipulate settings, access sensitive data, and control critical system functions without detection, leading to absolutely devastating consequences for system integrity. To mitigate this risk, ensure your systems are updated with the latest security patches from Microsoft. Review and configure your synchronization methods carefully in any applications that rely on shared resources to prevent unintentional privilege escalation. You've got this! By addressing this vulnerability, you'll boost your security posture and keep your systems safe! 🛡️

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00264 · 17.4th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2025-11-11T17:59Z
EPSS history
Timeline
  • 11 NOV 17:59Z
    Windows Speech Runtime Elevation of Privilege Vulnerability
    cvelistv5