CVE-2025-49762

published 2025-08-12

CVE-2025-49762: Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an…

Priority P3 37 high 7 CVSS 3.1

AV L AC H PR L UI N S U C H I H A H

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected

47 ranges · showing 25

Vendor	Product	Version range	Fixed in
microsoft	windows_10_1507	< 10.0.10240.21100	10.0.10240.21100
microsoft	windows_10_1607	< 10.0.14393.8330	10.0.14393.8330
microsoft	windows_10_1809	< 10.0.17763.7678	10.0.17763.7678
microsoft	windows_10_21h2	< 10.0.19044.6216	10.0.19044.6216
microsoft	windows_10_22h2	< 10.0.19045.6216	10.0.19045.6216
microsoft	windows_10_version_1507	>= 10.0.10240.0 < 10.0.10240.21100	10.0.10240.21100
microsoft	windows_10_version_1607	>= 10.0.14393.0 < 10.0.14393.8330	10.0.14393.8330
microsoft	windows_10_version_1809	>= 10.0.17763.0 < 10.0.17763.7678	10.0.17763.7678
microsoft	windows_10_version_21h2	>= 10.0.19044.0 < 10.0.19044.6216	10.0.19044.6216
microsoft	windows_10_version_22h2	>= 10.0.19045.0 < 10.0.19045.6216	10.0.19045.6216
microsoft	windows_11_22h2	< 10.0.22621.5768	10.0.22621.5768
microsoft	windows_11_23h2	< 10.0.22631.5768	10.0.22631.5768
microsoft	windows_11_24h2	< 10.0.26100.4851	10.0.26100.4851
microsoft	windows_11_version_22h2	>= 10.0.22621.0 < 10.0.22621.5768	10.0.22621.5768
microsoft	windows_11_version_22h3	>= 10.0.22631.0 < 10.0.22631.5768	10.0.22631.5768
microsoft	windows_11_version_23h2	>= 10.0.22631.0 < 10.0.22631.5768	10.0.22631.5768
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.4946	10.0.26100.4946
microsoft	windows_server_2008	—	—
microsoft	windows_server_2008_r2_service_pack_1	>= 6.1.7601.0 < 6.1.7601.27872	6.1.7601.27872
microsoft	windows_server_2008_service_pack_2	>= 6.0.6003.0 < 6.0.6003.23471	6.0.6003.23471
microsoft	windows_server_2012	—	—
microsoft	windows_server_2012	>= 6.2.9200.0 < 6.2.9200.25622	6.2.9200.25622
microsoft	windows_server_2012_r2	>= 6.3.9600.0 < 6.3.9600.22725	6.3.9600.22725
microsoft	windows_server_2016	< 10.0.14393.8330	10.0.14393.8330
microsoft	windows_server_2016	>= 10.0.14393.0 < 10.0.14393.8330	10.0.14393.8330

CVSS provenance

nvd v3.1 7.0 HIGH CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

vendor_msrc 7.0 HIGH

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CWE-362