CVE-2025-21418

Feb. 12, 2025, 6:14 p.m.

7.8
High

Description

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Product(s) Impacted

Vendor Product Versions
Microsoft
  • Windows 10 1607
  • Windows 10 1809
  • Windows 10 21h2
  • Windows 10 22h2
  • Windows 11 22h2
  • Windows 11 23h2
  • Windows 11 24h2
  • Windows Server 2008
  • Windows Server 2012
  • Windows Server 2016
  • Windows Server 2019
  • Windows Server 2022
  • Windows Server 2022 23h2
  • Windows Server 2025
  • *
  • *
  • *
  • *
  • *
  • *
  • *
  • -, r2
  • -, r2
  • -
  • *
  • *
  • *
  • *

Weaknesses

CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

*CPE(s)

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o microsoft windows_10_1607 / / / / / / x64 /
o microsoft windows_10_1607 / / / / / / x86 /
o microsoft windows_10_1809 / / / / / / x64 /
o microsoft windows_10_1809 / / / / / / x86 /
o microsoft windows_10_21h2 / / / / / / / /
o microsoft windows_10_22h2 / / / / / / / /
o microsoft windows_11_22h2 / / / / / / / /
o microsoft windows_11_23h2 / / / / / / / /
o microsoft windows_11_24h2 / / / / / / / /
o microsoft windows_server_2008 - sp2 / / / / / /
o microsoft windows_server_2008 r2 sp1 / / / / x64 /
o microsoft windows_server_2012 - / / / / / / /
o microsoft windows_server_2012 r2 / / / / / / /
o microsoft windows_server_2016 - / / / / / / /
o microsoft windows_server_2019 / / / / / / / /
o microsoft windows_server_2022 / / / / / / / /
o microsoft windows_server_2022_23h2 / / / / / / / /
o microsoft windows_server_2025 / / / / / / x64 /

CVSS Score

7.8 / 10

CVSS Data

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • View Vector String

    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Date

  • Published: Feb. 11, 2025, 6:15 p.m.
  • Last Modified: Feb. 12, 2025, 6:14 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

secure@microsoft.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.