CVE-2024-20674

criticalpriority · track · 16EPSS 0.172 · 97 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

17.2% (97th) EPSS

CVSS 9 · critical

Is it mine?

151 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Windows Kerberos Security Feature Bypass 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
10.0.14393.6614:Security Update:https://support.microsoft.com/help/5034119
https://support.microsoft.com/help/5034119
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.6614:Security Update:https://support.microsoft.com/help/5034119
https://support.microsoft.com/help/5034119
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.5329:Security Update:https://support.microsoft.com/help/5034127
https://support.microsoft.com/help/5034127
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.5329:Security Update:https://support.microsoft.com/help/5034127
https://support.microsoft.com/help/5034127
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.5329:Security Update:https://support.microsoft.com/help/5034127
https://support.microsoft.com/help/5034127
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.3930:Security Update:https://support.microsoft.com/help/5034122
https://support.microsoft.com/help/5034122
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.3930:Security Update:https://support.microsoft.com/help/5034122
https://support.microsoft.com/help/5034122
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.3930:Security Update:https://support.microsoft.com/help/5034122
https://support.microsoft.com/help/5034122
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.3930:Security Update:https://support.microsoft.com/help/5034122
https://support.microsoft.com/help/5034122
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.3930:Security Update:https://support.microsoft.com/help/5034122
https://support.microsoft.com/help/5034122
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.3930:Security Update:https://support.microsoft.com/help/5034122
https://support.microsoft.com/help/5034122
FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.20402:Security Update:https://support.microsoft.com/help/5034134
https://support.microsoft.com/help/5034134
FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.20402:Security Update:https://support.microsoft.com/help/5034134
https://support.microsoft.com/help/5034134
FixedWindows 11 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.22621.3007:Security Update:https://support.microsoft.com/help/5034123
https://support.microsoft.com/help/5034123
FixedWindows 11 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.22621.3007:Security Update:https://support.microsoft.com/help/5034123
https://support.microsoft.com/help/5034123
FixedWindows 11 Version 23H2 for ARM64-based Systemsmsrc_csaf
10.0.22631.3007:Security Update:https://support.microsoft.com/help/5034123
https://support.microsoft.com/help/5034123
FixedWindows 11 Version 23H2 for x64-based Systemsmsrc_csaf
10.0.22631.3007:Security Update:https://support.microsoft.com/help/5034123
https://support.microsoft.com/help/5034123
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.2713:Security Update:https://support.microsoft.com/help/5034121
https://support.microsoft.com/help/5034121
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.2713:Security Update:https://support.microsoft.com/help/5034121
https://support.microsoft.com/help/5034121
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.26910:Security Only:https://support.microsoft.com/help/5034167
https://support.microsoft.com/help/5034167
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.26910:Security Only:https://support.microsoft.com/help/5034167
https://support.microsoft.com/help/5034167
FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.22464:Monthly Rollup:https://support.microsoft.com/help/5034173
https://support.microsoft.com/help/5034173
FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.22464:Monthly Rollup:https://support.microsoft.com/help/5034173
https://support.microsoft.com/help/5034173
FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.22464:Monthly Rollup:https://support.microsoft.com/help/5034173
https://support.microsoft.com/help/5034173
FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.22464:Monthly Rollup:https://support.microsoft.com/help/5034173
https://support.microsoft.com/help/5034173
FixedWindows Server 2012msrc_csaf
6.2.9200.24664:Monthly Rollup:https://support.microsoft.com/help/5034184
https://support.microsoft.com/help/5034184
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.24664:Monthly Rollup:https://support.microsoft.com/help/5034184
https://support.microsoft.com/help/5034184
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.21765:Monthly Rollup:https://support.microsoft.com/help/5034171
https://support.microsoft.com/help/5034171
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.21765:Monthly Rollup:https://support.microsoft.com/help/5034171
https://support.microsoft.com/help/5034171
FixedWindows Server 2016msrc_csaf
10.0.14393.6614:Security Update:https://support.microsoft.com/help/5034119
https://support.microsoft.com/help/5034119
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.6614:Security Update:https://support.microsoft.com/help/5034119
https://support.microsoft.com/help/5034119
FixedWindows Server 2019msrc_csaf
10.0.17763.5329:Security Update:https://support.microsoft.com/help/5034127
https://support.microsoft.com/help/5034127
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.5329:Security Update:https://support.microsoft.com/help/5034127
https://support.microsoft.com/help/5034127
FixedWindows Server 2022msrc_csaf
10.0.20348.2227:Security Update:https://support.microsoft.com/help/5034129
https://support.microsoft.com/help/5034129
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.2227:Security Update:https://support.microsoft.com/help/5034129
https://support.microsoft.com/help/5034129
FixedWindows Server 2022, 23H2 Edition (Server Core installation)msrc_csaf
10.0.25398.643:Security Update:https://support.microsoft.com/help/5034130
https://support.microsoft.com/help/5034130

cvss

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

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9

v3.19criticalAV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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-290USprimaryCWE-254USCWE-305USCWE-305US

exploits (1)

Public proof-of-concept and weaponised exploit code.

gpotter2/CVE-2024-20674gpotter2/CVE-2024-20674PoC · poc_in_github

affected products (151)

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 21H2all versionscert_bundDE
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 11≤ version 21H2cert_bundDE
Microsoft Windows 10 Version 150710.0.10240.0 → 10.0.10240.20402enisa_euvdEU
Microsoft Windows 10 Version 160710.0.14393.0 → 10.0.14393.6614enisa_euvdEU

showing 20 of 151

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0036Microsoft Windows und Microsoft Windows Server: Mehrere SchwachstellenDeutsch2024-01-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen, seine Berechtigungen zu erweitern und Informationen falsch darzustellen.
msrc_CVE-2024-20674Windows Kerberos Security Feature Bypass Vulnerability2024-01-09csaf · 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 2024-01-09modified 2026-06-17

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+891 more

references (5)

External citations — patches, advisories, analysis.

scry

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