Home/CVE/Windows Themes Spoofing Vulnerability
CVE

CVE-2024-21320

Windows Themes Spoofing Vulnerability

Windows Themes Spoofing Vulnerability.

MEDIUM · CVSS 6.5 EPSS 0.23394
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

12
microsoft windows 10 1507< 10.0.10240.20402
microsoft windows 10 1607< 10.0.14393.6614
microsoft windows 10 1809< 10.0.17763.5329
microsoft windows 10 21h2< 10.0.19044.3930
microsoft windows 10 22h2< 10.0.19045.3930
microsoft windows 11 21h2< 10.0.22000.2713
microsoft windows 11 22h2< 10.0.22621.3007
microsoft windows 11 23h2< 10.0.22631.3007
⚠

Public Exploits & PoCs

1
remoteMicrosoft Windows - NTLM Hash Leak Malicious Windows Theme2025-03-22
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT Microsoft Windows Themes Spoofing (CVE-2024-21320)attempted-user
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Jan 2024 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2024-21320Spoofing
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.vicarius.io/vsociety/posts/cve-2024-21320-detection-script-windows-themes-spoofing-vulnerability
https://www.vicarius.io/vsociety/posts/cve-2024-21320-mitigation-script-windows-themes-spoofing-vulnerability
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