CVE-2026-20962: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1809
Use of uninitialized resource in Dynamic Root of Trust for Measurement (DRTM) allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability involves the use of an uninitialized resource within the Dynamic Root of Trust for Measurement (DRTM) component in Microsoft Windows 10 Version 1809 (build 10.0.17763.0). The flaw permits an authorized attacker with local access to disclose information, impacting confidentiality but not integrity or availability. The CVSS 3.1 base score is 4.4, reflecting a medium severity with low attack complexity and requiring high privileges. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to disclose sensitive information due to the use of an uninitialized resource in the DRTM component. There is no impact on system integrity or availability. No known exploits are reported in the wild at this time.
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-2026-20962 to remediate this vulnerability.
CVE-2026-20962: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1809
Description
Use of uninitialized resource in Dynamic Root of Trust for Measurement (DRTM) allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 4.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the use of an uninitialized resource within the Dynamic Root of Trust for Measurement (DRTM) component in Microsoft Windows 10 Version 1809 (build 10.0.17763.0). The flaw permits an authorized attacker with local access to disclose information, impacting confidentiality but not integrity or availability. The CVSS 3.1 base score is 4.4, reflecting a medium severity with low attack complexity and requiring high privileges. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to disclose sensitive information due to the use of an uninitialized resource in the DRTM component. There is no impact on system integrity or availability. No known exploits are reported in the wild at this time.
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-2026-20962 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-04T20:04:16.341Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20962","vendor":"Microsoft"}]
Threat ID: 69668ae6a60475309f9ae26b
Added to database: 01/13/2026, 18:11:50 UTC
Last enriched: 07/30/2026, 23:38:12 UTC
Last updated: 09/10/2026, 19:36:52 UTC
Views: 206
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