CVE-2026-72945: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Description
CVE-2026-72945 is a medium severity vulnerability in Microsoft Windows 10 Version 1607 involving the use of an uninitialized resource in the Windows Task Scheduler. This flaw allows an authorized local attacker to disclose information. The vulnerability affects multiple Windows 10 builds prior to specific patched versions. An official fix is available from Microsoft.
CVSS v3.1
Score 5.5medium
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-72945) is classified as CWE-908 (Use of Uninitialized Resource) and exists in the Windows Task Scheduler component of Microsoft Windows 10 Version 1607. The flaw allows an authorized attacker with local access to disclose sensitive information due to improper initialization of resources. The CVSS 3.1 base score is 5.5 (medium severity), reflecting local attack vector, low complexity, and no user interaction required. Multiple Windows 10 builds are affected, with patches released to address the issue. Microsoft has published an official advisory and provides an official fix.
Potential Impact
An authorized local attacker can exploit this vulnerability to disclose sensitive information on affected Windows 10 systems. There is no impact on integrity or availability. The vulnerability requires local privileges and does not involve user interaction.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72945. No additional mitigation actions are specified or required beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-10T18:14:23.517Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72945","vendor":"Microsoft"}]
Threat ID: 6aa04546acd9273b49fa9ced
Added to database: 09/08/2026, 17:26:30 UTC
Last enriched: 10/16/2026, 21:46:00 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 23
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