CVE-2024-43630

highpriority · track · 11EPSS 0.038 · 90 %ileexploit · PoCDEEUNLRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

3.78% (90th) EPSS

CVSS 7.8 · high

Is it mine?

65 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

Windows Kernel Elevation of Privilege Vulnerability

remediations

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

A vendor fix is available.

FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.5131:Security Update:https://support.microsoft.com/help/5046613
https://support.microsoft.com/help/5046613
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.5131:Security Update:https://support.microsoft.com/help/5046613
https://support.microsoft.com/help/5046613
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.5131:Security Update:https://support.microsoft.com/help/5046613
https://support.microsoft.com/help/5046613
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.5131:Security Update:https://support.microsoft.com/help/5046613
https://support.microsoft.com/help/5046613
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.5131:Security Update:https://support.microsoft.com/help/5046613
https://support.microsoft.com/help/5046613
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.5131:Security Update:https://support.microsoft.com/help/5046613
https://support.microsoft.com/help/5046613
FixedWindows 11 Version 24H2 for ARM64-based Systemsmsrc_csaf
10.0.26100.2314:Security Update:https://support.microsoft.com/help/5046617
https://support.microsoft.com/help/5046617
FixedWindows 11 Version 24H2 for x64-based Systemsmsrc_csaf
10.0.26100.2314:Security Update:https://support.microsoft.com/help/5046617
https://support.microsoft.com/help/5046617
FixedWindows Server 2022msrc_csaf
10.0.20348.2849:Security Update:https://support.microsoft.com/help/5046616
https://support.microsoft.com/help/5046616
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.2849:Security Update:https://support.microsoft.com/help/5046616
https://support.microsoft.com/help/5046616
FixedWindows Server 2022, 23H2 Edition (Server Core installation)msrc_csaf
10.0.25398.1251:Security Update:https://support.microsoft.com/help/5046618
https://support.microsoft.com/help/5046618
FixedWindows Server 2025msrc_csaf
10.0.26100.2314:Security Update:https://support.microsoft.com/help/5046617
https://support.microsoft.com/help/5046617
FixedWindows Server 2025 (Server Core installation)msrc_csaf
10.0.26100.2314:Security Update:https://support.microsoft.com/help/5046617
https://support.microsoft.com/help/5046617

cvss

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

7.8

010

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

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/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-121USCWE-121USCWE-121USCWE-121US

exploits (1)

Public proof-of-concept and weaponised exploit code.

QuasarBinary/CVE-2024-43630-POCNtCopyFileChunk stack buffer overflow POCPoC · poc_in_github

affected products (65)

Products and version ranges known to be affected.

Hitachi Storageall versionscert_bundDEcpe:/h:hitachi:storage:-
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 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 23H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_23h2
Microsoft Windows 11 Version 24H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_24h2
Microsoft Windows Server 2008 R2 SP1all versionscert_bundDEcpe:/o:microsoft:windows_server:2008_r2_sp1
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 Server 2022 23H2 Editionall versionscert_bundDEcpe:/o:microsoft:windows_server_2022:23h2_edition
Microsoft Windows Server 2025all versionscert_bundDEcpe:/o:microsoft:windows_server:2025
Microsoft Windows 10 Version 21H210.0.19043.0 → 10.0.19044.5131enisa_euvdEU
Microsoft Windows 10 Version 22H210.0.19045.0 → 10.0.19045.5131enisa_euvdEU

showing 20 of 65

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2024-0434Kwetsbaarheden verholpen in Microsoft WindowsNL2024-11-12csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Windows.
WID-SEC-W-2024-3445Microsoft Windows: Mehrere SchwachstellenDeutsch2024-11-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows Server und Microsoft Windows ausnutzen, um seine Privilegien zu erhöhen, einen Denial-of-Service-Zustand zu erzeugen, beliebigen Code auszuführen, vertrauliche Informationen preiszugeben und einen Spoofing-Angriff durchzuführen.
msrc_CVE-2024-43630Windows Kernel Elevation of Privilege Vulnerability2024-11-12csaf · 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 ncsc_nl msrc_csaf NVD CVE.org MITRE

published 2024-11-12modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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