CVE-2026-25166: CWE-502: Deserialization of Untrusted Data in Microsoft Windows ADK for Windows 10, version 2004
Deserialization of untrusted data in Windows System Image Manager allows an authorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-25166) affects the Windows System Image Manager component of Microsoft Windows ADK for Windows 10, version 2004. It is caused by improper handling of deserialization of untrusted data, classified under CWE-502. Exploitation requires local access with some privileges (low complexity, low attack complexity, privileges required: low). Successful exploitation can lead to high impact on confidentiality, integrity, and availability by enabling local code execution. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized attacker with local access and low privileges can exploit this vulnerability to execute arbitrary code on the affected system. This can result in full compromise of the system's confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Windows ADK for Windows 10, version 2004 should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25166 to remediate this vulnerability.
CVE-2026-25166: CWE-502: Deserialization of Untrusted Data in Microsoft Windows ADK for Windows 10, version 2004
Description
Deserialization of untrusted data in Windows System Image Manager allows an authorized attacker to execute code locally.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-25166) affects the Windows System Image Manager component of Microsoft Windows ADK for Windows 10, version 2004. It is caused by improper handling of deserialization of untrusted data, classified under CWE-502. Exploitation requires local access with some privileges (low complexity, low attack complexity, privileges required: low). Successful exploitation can lead to high impact on confidentiality, integrity, and availability by enabling local code execution. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized attacker with local access and low privileges can exploit this vulnerability to execute arbitrary code on the affected system. This can result in full compromise of the system's confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Windows ADK for Windows 10, version 2004 should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25166 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-29T18:36:49.695Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25166","vendor":"Microsoft"}]
Threat ID: 69b0562cea502d3aa87d69dc
Added to database: 03/10/2026, 17:34:36 UTC
Last enriched: 06/19/2026, 20:27:28 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 192
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.