CVE-2025-21308: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1507
Windows Themes Spoofing Vulnerability
AI Analysis
Technical Summary
CVE-2025-21308 is a Windows Themes spoofing vulnerability classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) affecting Microsoft Windows 10 Version 1507 (build 10.0.10240.0). The vulnerability allows an attacker to expose sensitive information without privileges, requiring user interaction. The CVSS 3.1 base score is 6.5 (medium severity) with vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating network attack vector, low complexity, no privileges required, user interaction required, unchanged scope, high confidentiality impact, no integrity or availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability can lead to unauthorized disclosure of sensitive information on affected Windows 10 Version 1507 systems. It does not impact system integrity or availability. Exploitation requires user interaction but no privileges. No known exploits are currently reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21308 to remediate this vulnerability.
CVE-2025-21308: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1507
Description
Windows Themes Spoofing Vulnerability
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-21308 is a Windows Themes spoofing vulnerability classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) affecting Microsoft Windows 10 Version 1507 (build 10.0.10240.0). The vulnerability allows an attacker to expose sensitive information without privileges, requiring user interaction. The CVSS 3.1 base score is 6.5 (medium severity) with vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating network attack vector, low complexity, no privileges required, user interaction required, unchanged scope, high confidentiality impact, no integrity or availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability can lead to unauthorized disclosure of sensitive information on affected Windows 10 Version 1507 systems. It does not impact system integrity or availability. Exploitation requires user interaction but no privileges. No known exploits are currently reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21308 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.952Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21308","vendor":"Microsoft"}]
Threat ID: 68c0bd519ed239a66badeb9e
Added to database: 09/09/2025, 23:50:41 UTC
Last enriched: 06/10/2026, 09:52:30 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 108
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