CVE-2026-50398: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
CVE-2026-50398 is a race condition vulnerability in Windows Media on Microsoft Windows 11 Version 24H2 that allows an authorized attacker to elevate privileges over a network. The flaw arises from improper synchronization during concurrent execution using a shared resource. This vulnerability has a high severity rating and a CVSS score of 8.8. An official fix is available from Microsoft.
AI Analysis
Technical Summary
CVE-2026-50398 is a concurrency issue classified as CWE-362 (race condition) affecting Windows Media in Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The vulnerability allows an authorized attacker to elevate privileges remotely by exploiting improper synchronization when accessing shared resources concurrently. Microsoft has acknowledged the issue and released an official patch to address it.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with some level of authorization to elevate their privileges on the affected system remotely over a network. This could lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits 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-2026-50398 to remediate this vulnerability.
CVE-2026-50398: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
Description
CVE-2026-50398 is a race condition vulnerability in Windows Media on Microsoft Windows 11 Version 24H2 that allows an authorized attacker to elevate privileges over a network. The flaw arises from improper synchronization during concurrent execution using a shared resource. This vulnerability has a high severity rating and a CVSS score of 8.8. An official fix is available from Microsoft.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-50398 is a concurrency issue classified as CWE-362 (race condition) affecting Windows Media in Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The vulnerability allows an authorized attacker to elevate privileges remotely by exploiting improper synchronization when accessing shared resources concurrently. Microsoft has acknowledged the issue and released an official patch to address it.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with some level of authorization to elevate their privileges on the affected system remotely over a network. This could lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits 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-2026-50398 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:55:14.746Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50398","vendor":"Microsoft"}]
Threat ID: 6a56769868715ace43f08e6e
Added to database: 07/14/2026, 17:49:12 UTC
Last enriched: 07/15/2026, 00:03:27 UTC
Last updated: 07/15/2026, 03:02:34 UTC
Views: 4
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