CVE-2025-58714CWE-284

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

High · published October 14, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
18.7
In the wild
Unconfirmed
What it is

⚡ Who knew Windows could be this tricky? An improper access control in the Ancillary Function Driver for WinSock lets an authorized attacker elevate their privileges locally! 🔥 Think of it like a hotel where staff can access any room without proper checks — if they have a key, they're in, regardless of the guest's privacy. This vulnerability lets attackers do something similar, gaining more power than intended. If exploited, an attacker could gain elevated privileges, allowing them to execute any command they desire. This could be absolutely devastating for system integrity, leading to unauthorized access to sensitive data and potentially compromising the entire system.

Put simply

Think of it like a hotel where staff can access any room without proper checks — if they have a key, they're in, regardless of the guest's privacy. This vulnerability lets attackers do something similar, gaining more power than intended. This vulnerability stems from a flaw in access control within the Windows Ancillary Function Driver for WinSock, which permits authorized users to gain elevated privileges without adequate restrictions.

What to do

If exploited, an attacker could gain elevated privileges, allowing them to execute any command they desire. This could be absolutely devastating for system integrity, leading to unauthorized access to sensitive data and potentially compromising the entire system. To protect your systems, ensure you apply the latest security patches from Microsoft. Review user permissions to limit access and monitor for any suspicious activity. Implementing strict access controls will further reinforce your defenses. You've got this! By following these steps, you'll safeguard your system and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
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
CVSS v4.0
Not supplied
EPSS
0.00272 · 18.7th percentile
Weakness
CWE-284 · Improper Access Control
Published
2025-10-14T17:01Z
EPSS history
Timeline
  • 14 OCT 17:01Z
    Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
    cvelistv5