PT-2026-112959 · Microsoft · Windows+15
CVE-2026-88149
·
Published
2026-10-13
·
Updated
2026-10-13
CVSS v3.1
7.0
High
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Windows Ancillary Function Driver for WinSock (affected versions not specified)
Description
A double free issue exists in the Windows Ancillary Function Driver for WinSock. A double free occurs when the program attempts to free the same memory location twice, which can lead to memory corruption. This flaw allows an authorized attacker to elevate privileges locally on the system.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Double Free
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Weakness Enumeration
Related Identifiers
Affected Products
Windows
Windows 10 Version 1607
Windows 10 Version 1809
Windows 10 Version 21H2
Windows 10 Version 22H2
Windows 11 Version 23H2
Windows 11 Version 24H2
Windows 11 Version 25H2
Windows 11 Version 26H2
Windows 11 Version 26H1
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows Server 2025