CVE-2026-44800: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 version 23H2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-44800) involves a race condition (CWE-362) in the Windows Push Notifications component of Microsoft Windows 11 version 23H2 (build 10.0.22631.0). The flaw arises from improper synchronization when multiple threads access a shared resource concurrently, enabling an authorized local attacker to elevate privileges. The issue is recognized by Microsoft and has been assigned a high CVSS 3.1 score of 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability of the system. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update referenced in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44800 to remediate this vulnerability.
CVE-2026-44800: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 version 23H2
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-44800) involves a race condition (CWE-362) in the Windows Push Notifications component of Microsoft Windows 11 version 23H2 (build 10.0.22631.0). The flaw arises from improper synchronization when multiple threads access a shared resource concurrently, enabling an authorized local attacker to elevate privileges. The issue is recognized by Microsoft and has been assigned a high CVSS 3.1 score of 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability of the system. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update referenced in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44800 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-07T20:07:18.270Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44800","vendor":"Microsoft"}]
Threat ID: 6a566f6768715ace43e6b314
Added to database: 07/14/2026, 17:18:31 UTC
Last enriched: 07/15/2026, 02:03:47 UTC
Last updated: 07/15/2026, 04:18:38 UTC
Views: 4
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