CVE-2024-21320

Windows Themes Spoofing Vulnerability

Windows Themes Spoofing Vulnerability

Affected

Microsoft · Windows 10 Version 1809 · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows Server 2022 · Windows 11 version 21H2 · Windows 10 Version 21H2

CVSS v3.1 NVD

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

CVSS v3.1 MICROSOFT

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

EPSS

22.60% chance of exploitation in the next 30 days, 98th percentile

Published

2024-01-09

Updated

2025-09-15

Proof-of-concept exploits (1)

• sxyrxyy/CVE-2024-21320-POC2★ · 2024-10-30

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/52092

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21320

References

• CVE Record
• NVD entry

Related

• CVE-2024-1709
• CVE-2024-23334
• CVE-2025-64446
• CVE-2025-8088