CVE-2023-28218

highpriority · track · 14EPSS 0.124 · 96 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

12.4% (96th) EPSS

CVSS 7 · high

Is it mine?

146 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.5850:Security Update:https://support.microsoft.com/help/5025228
https://support.microsoft.com/help/5025228
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.5850:Security Update:https://support.microsoft.com/help/5025228
https://support.microsoft.com/help/5025228
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.4252:Security Update:https://support.microsoft.com/help/5025229
https://support.microsoft.com/help/5025229
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.4252:Security Update:https://support.microsoft.com/help/5025229
https://support.microsoft.com/help/5025229
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.4252:Security Update:https://support.microsoft.com/help/5025229
https://support.microsoft.com/help/5025229
FixedWindows 10 Version 20H2 for 32-bit Systemsmsrc_csaf
10.0.19042.2846:Security Update:https://support.microsoft.com/help/5025221
https://support.microsoft.com/help/5025221
FixedWindows 10 Version 20H2 for ARM64-based Systemsmsrc_csaf
10.0.19042.2846:Security Update:https://support.microsoft.com/help/5025221
https://support.microsoft.com/help/5025221
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.2846:Security Update:https://support.microsoft.com/help/5025221
https://support.microsoft.com/help/5025221
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.2846:Security Update:https://support.microsoft.com/help/5025221
https://support.microsoft.com/help/5025221
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.2846:Security Update:https://support.microsoft.com/help/5025221
https://support.microsoft.com/help/5025221
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.2846:Security Update:https://support.microsoft.com/help/5025221
https://support.microsoft.com/help/5025221
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.2846:Security Update:https://support.microsoft.com/help/5025221
https://support.microsoft.com/help/5025221
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.2846:Security Update:https://support.microsoft.com/help/5025221
https://support.microsoft.com/help/5025221
FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.19869:Security Update:https://support.microsoft.com/help/5025234
https://support.microsoft.com/help/5025234
FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.19869:Security Update:https://support.microsoft.com/help/5025234
https://support.microsoft.com/help/5025234
FixedWindows 11 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.22621.1555:Security Update:https://support.microsoft.com/help/5025239
https://support.microsoft.com/help/5025239
FixedWindows 11 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.22621.1555:Security Update:https://support.microsoft.com/help/5025239
https://support.microsoft.com/help/5025239
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.1817:Security Update:https://support.microsoft.com/help/5025224
https://support.microsoft.com/help/5025224
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.1817:Security Update:https://support.microsoft.com/help/5025224
https://support.microsoft.com/help/5025224
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.26466:Security Only:https://support.microsoft.com/help/5025277
https://support.microsoft.com/help/5025277
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.26466:Security Only:https://support.microsoft.com/help/5025277
https://support.microsoft.com/help/5025277
FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.22015:Monthly Rollup:https://support.microsoft.com/help/5025271
https://support.microsoft.com/help/5025271
FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.22015:Monthly Rollup:https://support.microsoft.com/help/5025271
https://support.microsoft.com/help/5025271
FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.22015:Monthly Rollup:https://support.microsoft.com/help/5025271
https://support.microsoft.com/help/5025271
FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.22015:Monthly Rollup:https://support.microsoft.com/help/5025271
https://support.microsoft.com/help/5025271
FixedWindows Server 2012msrc_csaf
6.2.9200.24216:Security Only:https://support.microsoft.com/help/5025272
https://support.microsoft.com/help/5025272
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.24216:Security Only:https://support.microsoft.com/help/5025272
https://support.microsoft.com/help/5025272
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.20919:Monthly Rollup:https://support.microsoft.com/help/5025285
https://support.microsoft.com/help/5025285
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.20919:Monthly Rollup:https://support.microsoft.com/help/5025285
https://support.microsoft.com/help/5025285
FixedWindows Server 2016msrc_csaf
10.0.14393.5850:Security Update:https://support.microsoft.com/help/5025228
https://support.microsoft.com/help/5025228
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.5850:Security Update:https://support.microsoft.com/help/5025228
https://support.microsoft.com/help/5025228
FixedWindows Server 2019msrc_csaf
10.0.17763.4252:Security Update:https://support.microsoft.com/help/5025229
https://support.microsoft.com/help/5025229
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.4252:Security Update:https://support.microsoft.com/help/5025229
https://support.microsoft.com/help/5025229
FixedWindows Server 2022msrc_csaf
10.0.20348.1668:Security Update:https://support.microsoft.com/help/5025230
https://support.microsoft.com/help/5025230
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.1668:Security Update:https://support.microsoft.com/help/5025230
https://support.microsoft.com/help/5025230

cvss

Technical severity, 0–10. One row per scoring source.

7.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17highAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1 · impact 5.9

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-122USCWE-122USCWE-362US

exploits (1)

Public proof-of-concept and weaponised exploit code.

h1bAna/CVE-2023-28218h1bAna/CVE-2023-28218PoC · poc_in_github

affected products (146)

Products and version ranges known to be affected.

Hitachi Storage Virtual Storage Platformall versionscert_bundDEcpe:/h:hitachi:storage:virtual_storage_platform
Microsoft Windows 10all versionscert_bundDEcpe:/o:microsoft:windows_10:-
Microsoft Windows 10 Version 1607all versionscert_bundDEcpe:/o:microsoft:windows_10:version_1607
Microsoft Windows 10 Version 1809all versionscert_bundDEcpe:/o:microsoft:windows_10:version_1809
Microsoft Windows 10 Version 20H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_20h2
Microsoft Windows 10 Version 21H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_21h2
Microsoft Windows 10 Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_22h2
Microsoft Windows 11 Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_22h2
Microsoft Windows 11 version 21H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_21h2
Microsoft Windows Remote Desktop Clientall versionscert_bundDEcpe:/o:microsoft:windows:remote_desktop_client_for_desktop
Microsoft Windows Server 2008 R2 SP1all versionscert_bundDEcpe:/o:microsoft:windows_server_2008_r2:sp_1
Microsoft Windows Server 2008 SP2all versionscert_bundDEcpe:/o:microsoft:windows_server_2008:sp2
Microsoft Windows Server 2012all versionscert_bundDEcpe:/o:microsoft:windows_server_2012:-
Microsoft Windows Server 2012 R2all versionscert_bundDEcpe:/o:microsoft:windows_server_2012_r2:-
Microsoft Windows Server 2016all versionscert_bundDEcpe:/o:microsoft:windows_server_2016:-
Microsoft Windows Server 2019all versionscert_bundDEcpe:/o:microsoft:windows_server_2019:-
Microsoft Windows Server 2022all versionscert_bundDEcpe:/o:microsoft:windows_server_2022:-
Microsoft Windows 10 Version 150710.0.10240.0 → 10.0.10240.19869enisa_euvdEU
Microsoft Windows 10 Version 160710.0.14393.0 → 10.0.14393.5850enisa_euvdEU
Microsoft Windows 10 Version 180910.0.0 → 10.0.17763.4252enisa_euvdEU

showing 20 of 146

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0944Microsoft Windows: Mehrere SchwachstellenDeutsch2023-04-11csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Microsoft Windows und Microsoft Windows Server ausnutzen, um Informationen offenzulegen, einen Denial of Service Zustand herbeizuführen, Sicherheitsmechanismen zu umgehen, seine Privilegien zu erweitern und um beliebigen Code auszuführen.
msrc_CVE-2023-28218Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability2023-04-11csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf NVD CVE.org MITRE

published 2023-04-11modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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