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CVE-2024-21320Windows 10 1507 Information Disclosure

Windows Themes Spoofing Vulnerability

Published Jan 10, 2024 · Updated Sep 15, 2025

Key Facts

Routine patching
  • CVE-2024-21320 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft) and 22 more products.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 23% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Windows 10 1507 10.0.10240.20402, Windows 10 1607 10.0.14393.6614, Windows 10 1809 10.0.17763.5329.
  • Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

Scores

CVSS v3.1

6.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS (30-day exploit likelihood)

23%

Higher than 97.6% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

35/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Description

Windows Themes Spoofing Vulnerability

Affected Products

31 affected entries in total
ProductAffected versionsFixed in
Windows 10 1507MicrosoftSee advisory10.0.10240.20402
Windows 10 1607MicrosoftSee advisory10.0.14393.6614
Windows 10 1809MicrosoftSee advisory10.0.17763.5329
Windows 10 21h2MicrosoftSee advisory10.0.19044.3930
Windows 10 22h2MicrosoftSee advisory10.0.19045.3930
20 more affected products in the full CVE brief

Patched Releases

Windows 10 1507

10.0.10240.20402

Windows 10 1607

10.0.14393.6614

Windows 10 1809

10.0.17763.5329

Windows 10 21h2

10.0.19044.3930

Windows 10 22h2

10.0.19045.3930

Windows 11 21h2

10.0.22000.2713

Windows 11 22h2

10.0.22621.3007

Windows 11 23h2

10.0.22631.3007

Windows Server 2016

10.0.14393.6614

Windows Server 2019

10.0.17763.5329

Windows Server 2022

10.0.20348.2227

Windows 10 Version 1507

10.0.10240.20402

Windows 10 Version 1607

10.0.14393.6614

Windows 10 Version 1809

10.0.17763.5329

Windows 10 Version 21H2

10.0.19044.3930

Windows 10 Version 22H2

10.0.19045.3930

Windows 11 version 21H2

10.0.22000.2713

Windows 11 version 22H2

10.0.22621.3007

Windows 11 version 22H3

10.0.22631.3007

Windows 11 Version 23H2

10.0.22631.3007

Windows Server 2012

6.2.9200.24664

Windows Server 2012 (Server Core installation)

6.2.9200.24664

Windows Server 2012 R2

6.3.9600.21765

Windows Server 2012 R2 (Server Core installation)

6.3.9600.21765

Windows Server 2016 (Server Core installation)

10.0.14393.6614

Timeline

  1. Publicly disclosed

    Jan 10, 2024

  2. Last updated

    Sep 15, 2025

Weakness Type

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

8 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2024-21320 On Your Attack Surface?

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.