CVE-2024-21320

mediumpriority · track · 44EPSS 0.226 · 98 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

22.6% (98th) EPSS

CVSS 6.5 · medium

Is it mine?

126 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

Windows Themes Spoofing 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 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

cvss

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

6.5

010

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

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.5mediumAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · secure@microsoft.com USexploitability 2.8 · impact 3.6

v3.16.2mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:Psecondary · CVSS-BT (t0sche)

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USCWE-200USCWE-451US

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-52092Microsoft Windows - NTLM Hash Leak Malicious Windows ThemePoC · exploit_db
sxyrxyy/CVE-2024-21320-POCsxyrxyy/CVE-2024-21320-POCPoC · poc_in_github

affected products (126)

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 126

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-2024-21320Windows Themes Spoofing 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

references (8)

External citations — patches, advisories, analysis.

scry

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