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CVE-2025-21418

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Selected cve

CVE-2025-21418

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

43 retained evidence references · snapshot-bound · open authoritative view

StateSource-scoped evidence

Priority69.0–75.0

Coverage91.3%

Connections39

Choose an action.

Evidence state

identity unresolved
known present
evidence unknown

Snapshot-bound reason tuple

Evidence supportedfactor_a_kev

Eligible evidence is present for this bounded claim.

Revision: evidence-policy-v1.1.0
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Evidence supportedfactor_b_epss

Eligible evidence is present for this bounded claim.

Revision: evidence-policy-v1.1.0
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Evidence supportedfactor_c_cvss

Eligible evidence is present for this bounded claim.

Revision: casca-direct-cvss-eligibility-v1
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Source-reported scopefactor_d_breadth

The source assertion is retained, but its canonical identity is unresolved.

Revision: casca-factor-d-obligations-v1
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: Resolve identity

Connections 39

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2022

e8b464a0-e09e-4a25-abc3-09ff5293b6aa

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)

c1cccebd-0d7c-44eb-a4b2-3e8b9e4b3458

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 11 Version 24H2

9934df8b-c180-48c4-a3f3-4246c20364bb

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 11 version 22H3

21ffa469-0e0e-487f-8550-9856a59ad4cc

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 11 Version 23H2

df6ab950-c451-46b8-8ebb-f73a0001a872

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2016

a7c2de59-bd24-453e-9754-6dd569dbabf0

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)

fc158349-c079-4bfa-bda3-eaa4b2ad437f

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 11 version 22H2

a0deddac-d116-458d-a64c-6eacaa1cf1e9

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2008 R2 Service Pack 1

e8625fcb-3bc7-488c-8230-f8437eb7831d

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2012

6df41703-58e7-4682-a76a-18b4f36e97c7

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2008 Service Pack 2

7e835c37-48bc-4e1c-911d-1c732a6c701a

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2025 (Server Core installation)

dadde8b0-5bb6-47c0-a03d-cf471ff3f8dc

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2012 (Server Core installation)

6ce4b00f-0c9d-48e5-a6c8-d8a805ed0873

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2016 (Server Core installation)

90a87bab-a378-44bb-8265-935bb5253cb3

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2012 R2 (Server Core installation)

58480950-a324-410f-b597-783394d0682b

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 10 Version 1809

6127d1f7-3e5e-4db8-a6d2-884eb6459835

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2025

81a76965-9d74-43a7-938f-ade2c64baf12

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)

530f52c7-ff55-4aea-b819-9589ff918c9f

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 10 Version 22H2

895964ae-0ea3-4ac1-896c-9d46b7b21a80

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 10 Version 1507

c89b82b2-760c-4c16-9f2f-e36f728909eb

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 10 Version 21H2

1c233d00-9a0e-4e5c-9889-cdddc1332398

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2019

ef66e4c9-3e23-42e4-bf48-42e40426a8da

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows 10 Version 1607

7b931cae-ff6e-4375-8cea-a6e1206e70a8

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2012 R2

3d185938-d851-4a5a-916f-7e93a4931bbf

has cited scope1 retained · stored CVE-2025-21418 → Microsoft · Windows Server 2019 (Server Core installation)

acc5395d-0015-4312-a2a4-ed50023902ec

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_11_23h2

2dcf6080-9d10-4b7a-bd65-708586028a08

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_server_2016

972dce49-8244-41ec-863a-bb3f7dcf8a61

has vulnerable target scope2 retained · stored CVE-2025-21418 → microsoft · windows_server_2008

8fbc5d52-2b3a-4661-9612-1bbf15ee51b7a8e0fd52-0a33-4a4f-9928-dbd24631e0e3

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_server_2019

bd554dfa-88fd-46bb-9a74-c7493791b19d

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_server_2025

0568e199-9e4d-411d-8a97-2c5eccd982ee

has vulnerable target scope2 retained · stored CVE-2025-21418 → microsoft · windows_server_2012

9f273b73-fdb8-4a4c-a31a-9a94748a39e5ff4d65cb-c055-4634-8267-02f916dd607d

has vulnerable target scope2 retained · stored CVE-2025-21418 → microsoft · windows_10_1607

0a672f3f-cc78-47ea-8480-2fecbc68be92496e0bb1-df2b-4c1d-b6d7-307867952608

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_11_24h2

8ecf452b-f96d-4c4f-a40e-2356a0541273

has vulnerable target scope2 retained · stored CVE-2025-21418 → microsoft · windows_10_1809

3f82a694-01c2-415c-9cec-37bca127d75b5e86782e-eada-4564-9127-878e107d32cb

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_10_22h2

f30add87-d57b-4f89-9ec9-79d2b8b8b99d

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_server_2022_23h2

54f7d9c0-1f8a-4f28-a798-bdcbb759c8cd

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_server_2022

29fcb2bc-616e-4281-8dd4-dc054e87e03b

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_10_21h2

f69586f0-3a14-447d-8e15-a8bdaf6d7018

has vulnerable target scope1 retained · stored CVE-2025-21418 → microsoft · windows_11_22h2

3640d301-dd4d-41c5-9ec2-5f86eaf67e88

Focused snapshot evidence neighborhood.

CVEProductSignalSelected / traceVisual proximity carries zero evidence weight.

Data as of

Evidence current through Aug 27, 2026, 6:09 PM UTC · 40 entities · 39 relationships · bounded complete