CVE-2026-49183: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1809
CVE-2026-49183 is a race condition vulnerability in the Windows Clipboard Server component of Microsoft Windows 10 Version 1809. This flaw allows an authorized local attacker to elevate privileges by exploiting improper synchronization during concurrent execution using a shared resource. The vulnerability has a high severity rating with a CVSS score of 7. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-49183) involves a race condition (CWE-362) in the Windows Clipboard Server on Windows 10 Version 1809 (build 10.0.17763.0). Improper synchronization of shared resources during concurrent execution can be exploited by an authorized local attacker to elevate privileges. Microsoft has published an official fix addressing this issue.
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 affects confidentiality, integrity, and availability as indicated by the CVSS vector (C:H/I:H/A:H). 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-2026-49183 to remediate this vulnerability.
CVE-2026-49183: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1809
Description
CVE-2026-49183 is a race condition vulnerability in the Windows Clipboard Server component of Microsoft Windows 10 Version 1809. This flaw allows an authorized local attacker to elevate privileges by exploiting improper synchronization during concurrent execution using a shared resource. The vulnerability has a high severity rating with a CVSS score of 7. An official fix is available from Microsoft.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-49183) involves a race condition (CWE-362) in the Windows Clipboard Server on Windows 10 Version 1809 (build 10.0.17763.0). Improper synchronization of shared resources during concurrent execution can be exploited by an authorized local attacker to elevate privileges. Microsoft has published an official fix addressing this issue.
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 affects confidentiality, integrity, and availability as indicated by the CVSS vector (C:H/I:H/A:H). 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-2026-49183 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-27T23:44:09.624Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49183","vendor":"Microsoft"}]
Threat ID: 6a566f6b68715ace43e6b3ea
Added to database: 07/14/2026, 17:18:35 UTC
Last enriched: 07/15/2026, 01:48:24 UTC
Last updated: 07/15/2026, 01:48:24 UTC
Views: 4
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