CVE-2025-32709

Description

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Reserved 2025-04-09 | Published 2025-05-13 | Updated 2025-05-29 | Assigner microsoft

CISA Known Exploited Vulnerability

Date added 2025-05-13 | Due date 2025-06-03

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Problem types

CWE-416: Use After Free

Product status

10.0.17763.0 before 10.0.17763.7314
affected

10.0.17763.0 before 10.0.17763.7314
affected

10.0.17763.0 before 10.0.17763.7314
affected

10.0.20348.0 before 10.0.20348.3692
affected

10.0.19044.0 before 10.0.19044.5854
affected

10.0.22621.0 before 10.0.22621.5335
affected

10.0.19045.0 before 10.0.19045.5854
affected

10.0.26100.0 before 10.0.26100.4061
affected

10.0.22631.0 before 10.0.22631.5335
affected

10.0.22631.0 before 10.0.22631.5335
affected

10.0.25398.0 before 10.0.25398.1611
affected

10.0.26100.0 before 10.0.26100.4061
affected

10.0.26100.0 before 10.0.26100.4061
affected

10.0.10240.0 before 10.0.10240.21014
affected

10.0.14393.0 before 10.0.14393.8066
affected

10.0.14393.0 before 10.0.14393.8066
affected

10.0.14393.0 before 10.0.14393.8066
affected

6.0.6003.0 before 6.0.6003.23317
affected

6.0.6003.0 before 6.0.6003.23317
affected

6.0.6003.0 before 6.0.6003.23317
affected

6.1.7601.0 before 6.1.7601.27730
affected

6.1.7601.0 before 6.1.7601.27730
affected

6.2.9200.0 before 6.2.9200.25475
affected

6.2.9200.0 before 6.2.9200.25475
affected

6.3.9600.0 before 6.3.9600.22577
affected

6.3.9600.0 before 6.3.9600.22577
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32709 (Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability) vendor-advisory

cve.org (CVE-2025-32709)

nvd.nist.gov (CVE-2025-32709)

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