CVE-2026-20928: CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer in Microsoft Windows 10 Version 1607
Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20928) involves improper removal of sensitive information in the Windows Recovery Environment Agent on Windows 10 Version 1607 (build 10.0.14393.0). Due to this improper handling, an attacker with physical access could bypass certain security features. The issue is classified under CWE-212 (Improper Removal of Sensitive Information Before Storage or Transfer). Microsoft has released an official fix addressing this vulnerability.
Potential Impact
An attacker with physical access to a system running the affected Windows 10 Version 1607 could exploit this vulnerability to bypass security features by leveraging improperly removed sensitive information. The impact is limited to confidentiality (high impact on confidentiality), with no direct impact on integrity or availability. There are no known exploits in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20928 for detailed patching instructions.
CVE-2026-20928: CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer in Microsoft Windows 10 Version 1607
Description
Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.
CVSS v3.1
Score 4.6medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20928) involves improper removal of sensitive information in the Windows Recovery Environment Agent on Windows 10 Version 1607 (build 10.0.14393.0). Due to this improper handling, an attacker with physical access could bypass certain security features. The issue is classified under CWE-212 (Improper Removal of Sensitive Information Before Storage or Transfer). Microsoft has released an official fix addressing this vulnerability.
Potential Impact
An attacker with physical access to a system running the affected Windows 10 Version 1607 could exploit this vulnerability to bypass security features by leveraging improperly removed sensitive information. The impact is limited to confidentiality (high impact on confidentiality), with no direct impact on integrity or availability. There are no known exploits in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20928 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-04T20:04:16.336Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20928","vendor":"Microsoft"}]
Threat ID: 69de7a1482d89c981fd6a5e3
Added to database: 4/14/2026, 5:32:04 PM
Last enriched: 5/19/2026, 10:31:43 AM
Last updated: 5/30/2026, 2:25:00 PM
Views: 61
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.