CVE-2023-21768CWE-822

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

High · published January 10, 2023

Patch now

High probability of exploitation

CVSS calls it high at 7.8. It sits in the 99.3th percentile for exploit probability.

CVSS v3.1
7.8
EPSS
65%
Percentile
99.3
In the wild
Unconfirmed
What it is

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

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
0.65417 · 99.3th percentile
Weakness
CWE-822 · Untrusted Pointer Dereference
Published
2023-01-10T00:00Z
EPSS history
Timeline
  • 10 JAN 00:00Z
    Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
    cvelistv5